AP_BoardConfig: enable auto-detect only on FMUv3

F412 should not do board detection

libraries/AP_BoardConfig/AP_BoardConfig.h

@@ -4,7 +4,7 @@
 #include <AP_Common/AP_Common.h>
 #include <AP_Param/AP_Param.h>
 
-#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN || CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
+#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_VRBRAIN || defined(HAL_CHIBIOS_ARCH_FMUV3)
 #define AP_FEATURE_BOARD_DETECT 1
 #define AP_FEATURE_SAFETY_BUTTON 1
 #else
@@ -12,7 +12,7 @@
 #define AP_FEATURE_SAFETY_BUTTON 0
 #endif
 
-#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
+#if CONFIG_HAL_BOARD == HAL_BOARD_PX4 || defined(HAL_CHIBIOS_ARCH_FMUV3)
 #define AP_FEATURE_RTSCTS 1
 #define AP_FEATURE_SBUS_OUT 1
 #else