AP_HAL: added defaults offsets max for disco

libraries/AP_HAL/board/linux.h

@@ -117,7 +117,7 @@
 #define HAL_FLOW_PX4_FOCAL_LENGTH_MILLIPX (2.21 / (3.6 * 2.0 * 240 / 64))
 #define HAL_RANGEFINDER_LIGHTWARE_I2C_BUS 0
 // the disco has challenges with its magnetic setup
-#define AP_ARMING_COMPASS_OFFSETS_MAX 2200
+#define AP_COMPASS_OFFSETS_MAX_DEFAULT 2200
 #elif CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_MINLURE
 #define HAL_BOARD_LOG_DIRECTORY "/var/APM/logs"
 #define HAL_BOARD_TERRAIN_DIRECTORY "/var/APM/terrain"