Added common options for sensor drivers

uavcan_board_identity check for existance
Added kconfig for compiler definitions

Kconfig

@@ -7,112 +7,122 @@ comment "Vendor: $(VENDOR)"
 comment "Model: $(MODEL)"
 comment "Label: $(LABEL)"
 
-choice
-    prompt "Platform"
-    default PLATFORM_NUTTX
-    config PLATFORM_NUTTX
-        bool "nuttx"
-    config PLATFORM_POSIX
-        bool "posix"
-    config PLATFORM_QURT
-        bool "qurt"
-endchoice
+menu "Toolchain"
+    choice
+        prompt "Platform"
+        default PLATFORM_NUTTX
+        config PLATFORM_NUTTX
+            bool "nuttx"
+        config PLATFORM_POSIX
+            bool "posix"
+        config PLATFORM_QURT
+            bool "qurt"
+    endchoice
 
-config BOARD_PLATFORM
-    string
-    default "nuttx" if PLATFORM_NUTTX
-    default "posix" if PLATFORM_POSIX
-    default "qurt" if PLATFORM_QURT
+    config BOARD_PLATFORM
+        string
+        default "nuttx" if PLATFORM_NUTTX
+        default "posix" if PLATFORM_POSIX
+        default "qurt" if PLATFORM_QURT
 
-choice
-    prompt "Toolchain"
-    default TOOLCHAIN_ARM_NONE_EABI
-    config TOOLCHAIN_ARM_NONE_EABI
-        bool "arm-none-eabi"
-    config TOOLCHAIN_RISV64
-        bool "riscv64-unknown-elf"
-    help
-        cmake toolchain
-endchoice
+    choice
+        prompt "Toolchain"
+        default TOOLCHAIN_ARM_NONE_EABI
+        config TOOLCHAIN_ARM_NONE_EABI
+            bool "arm-none-eabi"
+        config TOOLCHAIN_RISV64
+            bool "riscv64-unknown-elf"
+        help
+            cmake toolchain
+    endchoice
 
-config BOARD_TOOLCHAIN
-    string
-    default "arm-none-eabi" if TOOLCHAIN_ARM_NONE_EABI
-    default "riscv64-unknown-elf" if TOOLCHAIN_RISV64
+    config BOARD_TOOLCHAIN
+        string
+        default "arm-none-eabi" if TOOLCHAIN_ARM_NONE_EABI
+        default "riscv64-unknown-elf" if TOOLCHAIN_RISV64
 
-choice
-    prompt "Architecture"
-    config ARCHITECTURE_CORTEX_M3
-        bool "cortex-m3"
-    config ARCHITECTURE_CORTEX_M4
-        bool "cortex-m4"
-    config ARCHITECTURE_CORTEX_M7
-        bool "cortex-m7"
-    config ARCHITECTURE_CORTEX_A8
-        bool "cortex-a8"
-    config ARCHITECTURE_CORTEX_A53
-        bool "cortex-a53"
-    help
-        name of the CPU CMake is building for (used by the toolchain)
-endchoice
+    choice
+        prompt "Architecture"
+        config ARCHITECTURE_CORTEX_M3
+            bool "cortex-m3"
+        config ARCHITECTURE_CORTEX_M4
+            bool "cortex-m4"
+        config ARCHITECTURE_CORTEX_M7
+            bool "cortex-m7"
+        config ARCHITECTURE_CORTEX_A8
+            bool "cortex-a8"
+        config ARCHITECTURE_CORTEX_A53
+            bool "cortex-a53"
+        help
+            name of the CPU CMake is building for (used by the toolchain)
+    endchoice
 
-config BOARD_ARCHITECTURE
-    string
-    default "cortex-m3" if ARCHITECTURE_CORTEX_M3
-    default "cortex-m4" if ARCHITECTURE_CORTEX_M4
-    default "cortex-m7" if ARCHITECTURE_CORTEX_M7
-    default "cortex-a8" if ARCHITECTURE_CORTEX_A8
-    default "cortex-a53" if ARCHITECTURE_CORTEX_A53
+    config BOARD_ARCHITECTURE
+        string
+        default "cortex-m3" if ARCHITECTURE_CORTEX_M3
+        default "cortex-m4" if ARCHITECTURE_CORTEX_M4
+        default "cortex-m7" if ARCHITECTURE_CORTEX_M7
+        default "cortex-a8" if ARCHITECTURE_CORTEX_A8
+        default "cortex-a53" if ARCHITECTURE_CORTEX_A53
 
-config BOARD_ROMFSROOT
-    string "ROMFSROOT"
-    default "px4fmu_common"
-    help
-        relative path to the ROMFS root directory
+    config BOARD_ROMFSROOT
+        string "ROMFSROOT"
+        default "px4fmu_common"
+        help
+            relative path to the ROMFS root directory
 
-config BOARD_BUILD_BOOTLOADER
-    bool "Enable bootloader"
-    help
-        flag to enable building and including the bootloader config
+    config BOARD_BUILD_BOOTLOADER
+        bool "Enable bootloader"
+        help
+            flag to enable building and including the bootloader config
 
-config BOARD_IO
-    string "IO board name"
-    help
-        name of IO board to be built and included in the ROMFS (requires a valid ROMFSROOT)
+    config BOARD_IO
+        string "IO board name"
+        help
+            name of IO board to be built and included in the ROMFS (requires a valid ROMFSROOT)
 
-config BOARD_CONSTRAINED_FLASH
-    bool "Contrained flash"
-    help
-        flag to enable constrained flash options (eg limit init script status text)
+    config BOARD_CONSTRAINED_FLASH
+        bool "Contrained flash"
+        help
+            flag to enable constrained flash options (eg limit init script status text)
 
-if BOARD_CONSTRAINED_FLASH
+    if BOARD_CONSTRAINED_FLASH
 
-    config BOARD_NO_HELP
-    bool "No help"
-    help
-        optional condition flag to disable help text on constrained flash systems
+        config BOARD_NO_HELP
+        bool "No help"
+        help
+            optional condition flag to disable help text on constrained flash systems
 
-endif #BOARD_CONSTRAINED_FLASH
+    endif #BOARD_CONSTRAINED_FLASH
 
-config BOARD_CONSTRAINED_MEMORY
-    bool "Contrained memory"
-    help
-        flag to enable constrained memory options (eg limit maximum number of uORB publications)
+    config BOARD_CONSTRAINED_MEMORY
+        bool "Contrained memory"
+        help
+            flag to enable constrained memory options (eg limit maximum number of uORB publications)
 
-config BOARD_EXTERNAL_METADATA
-    bool "External metadata"
-    help
-        flag to exclude metadata to reduce flash
+    config BOARD_EXTERNAL_METADATA
+        bool "External metadata"
+        help
+            flag to exclude metadata to reduce flash
+
+    config BOARD_LINKER_PREFIX
+        string "linker prefix"
+        help
+            optional to prefix on the Linker script.
+
+    config BOARD_COMPILE_DEFINITIONS
+        string "add custom compile definitions"
+        help
+            add custom compile defitions to this specific target
+endmenu #Toolchain
 
 config BOARD_TESTING
     bool "Testing"
+    select SYSTEMCMDS_MICROBENCH
+    select SYSTEMCMDS_TESTS
     help
         flag to enable automatic inclusion of PX4 testing modules
 
-config BOARD_LINKER_PREFIX
-    bool "PX4 board linker prefix"
-    help
-        optional to prefix on the Linker script.
 
 config BOARD_ETHERNET
     bool "Ethernet"