Add header file for arhitecture/implementation specific px4 crypto and

configuration for cmake

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>

cmake/px4_add_board.cmake

@@ -61,6 +61,8 @@
 #			[ TESTING ]
 #			[ LINKER_PREFIX <string> ]
 #			[ ETHERNET ]
+#			[ CRYPTO <string> ]
+#			[ KEYSTORE <string> ]
 #			)
 #
 #	Input:
@@ -86,6 +88,8 @@
 #		TESTING			: flag to enable automatic inclusion of PX4 testing modules
 #		LINKER_PREFIX	: optional to prefix on the Linker script.
 #		ETHERNET		: flag to indicate that ethernet is enabled
+#		CRYPTO			: Crypto implementation selection
+#		KEYSTORE		: Keystore implememntation selection
 #
 #
 #	Example:
@@ -149,6 +153,8 @@ function(px4_add_board)
 			UAVCAN_INTERFACES
 			UAVCAN_TIMER_OVERRIDE
 			LINKER_PREFIX
+			CRYPTO
+			KEYSTORE
 		MULTI_VALUE
 			DRIVERS
 			MODULES
@@ -267,6 +273,14 @@ function(px4_add_board)
 		set(PX4_ETHERNET "1" CACHE INTERNAL "ethernet enabled" FORCE)
 	endif()
 
+	if(CRYPTO)
+		set(PX4_CRYPTO ${CRYPTO} CACHE STRING "PX4 crypto implementation" FORCE)
+	endif()
+
+	if(KEYSTORE)
+		set(PX4_KEYSTORE ${KEYSTORE} CACHE STRING "PX4 keystore implementation" FORCE)
+	endif()
+
 	if(LINKER_PREFIX)
 		set(PX4_BOARD_LINKER_PREFIX ${LINKER_PREFIX} CACHE STRING "PX4 board linker prefix" FORCE)
 	else()