Separate i2c and spi board bus configuration into and own library for protected build target

This info is needed on both kernel and user sides, and is just data.

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

platforms/nuttx/src/px4/common/px4_protected_layers.cmake

@@ -29,6 +29,11 @@ add_library(px4_board_ctrl
 
 add_dependencies(px4_board_ctrl nuttx_context px4_kernel_builtin_list_target)
 
+target_link_libraries(px4_layer
+	PUBLIC
+		board_bus_info
+)
+
 # Build the kernel side px4_kernel_layer
 
 add_library(px4_kernel_layer
@@ -43,6 +48,11 @@ target_link_libraries(px4_kernel_layer
 		nuttx_kmm
 )
 
+target_link_libraries(px4_kernel_layer
+	PUBLIC
+		board_bus_info
+)
+
 if (DEFINED PX4_CRYPTO)
 	target_link_libraries(px4_kernel_layer PUBLIC crypto_backend)
 endif()