refactor to match fsp_cfg

hw/bsp/ra/boards/ra6m1_ek/board.cmake

@@ -0,0 +1,13 @@
+set(CMAKE_SYSTEM_PROCESSOR cortex-m4 CACHE INTERNAL "System Processor")
+set(MCU_VARIANT ra6m1)
+
+set(JLINK_DEVICE R7FA6M1AD)
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    )
+  target_sources(${TARGET} PRIVATE
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    )
+endfunction()

hw/bsp/ra/family.cmake

@@ -49,6 +49,7 @@ function(add_board_target BOARD_TARGET)
       ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
       ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
       ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/fsp_cfg
+      ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}/fsp_cfg/bsp
       ${CMSIS_DIR}/CMSIS/Core/Include
       ${FSP_RA}/inc
       ${FSP_RA}/inc/api

hw/bsp/ra/family.mk

@@ -37,6 +37,7 @@ INC += \
 	$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
 	$(TOP)/$(BOARD_PATH) \
 	$(TOP)/$(BOARD_PATH)/fsp_cfg \
+	$(TOP)/$(BOARD_PATH)/fsp_cfg/bsp \
 	$(TOP)/$(FSP_RA)/src/bsp/cmsis/Device/RENESAS/Include \
 	$(TOP)/$(FSP_RA)/inc \
 	$(TOP)/$(FSP_RA)/inc/api \