boards: px4_fmu-v6x_default disable modules to save flash

boards/px4/fmu-v6x/default.px4board

@@ -8,7 +8,6 @@ CONFIG_BOARD_SERIAL_GPS2="/dev/ttyS7"
 CONFIG_BOARD_SERIAL_TEL1="/dev/ttyS6"
 CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS4"
 CONFIG_BOARD_SERIAL_TEL3="/dev/ttyS1"
-CONFIG_DRIVERS_ADC_ADS1115=y
 CONFIG_DRIVERS_ADC_BOARD_ADC=y
 CONFIG_COMMON_BAROMETERS=y
 CONFIG_DRIVERS_BATT_SMBUS=y
@@ -24,13 +23,9 @@ CONFIG_DRIVERS_IMU_INVENSENSE_ICM20602=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM20649=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM20948=y
 CONFIG_DRIVERS_IMU_INVENSENSE_ICM42688P=y
-CONFIG_DRIVERS_IRLOCK=y
 CONFIG_COMMON_LIGHT=y
 CONFIG_COMMON_MAGNETOMETER=y
 CONFIG_COMMON_OPTICAL_FLOW=y
-CONFIG_DRIVERS_OSD=y
-CONFIG_DRIVERS_PCA9685=y
-CONFIG_DRIVERS_PCA9685_PWM_OUT=y
 CONFIG_DRIVERS_POWER_MONITOR_INA226=y
 CONFIG_DRIVERS_POWER_MONITOR_INA228=y
 CONFIG_DRIVERS_POWER_MONITOR_INA238=y
@@ -38,7 +33,6 @@ CONFIG_DRIVERS_PWM_OUT=y
 CONFIG_DRIVERS_PWM_OUT_SIM=y
 CONFIG_DRIVERS_PX4IO=y
 CONFIG_DRIVERS_RC_INPUT=y
-CONFIG_DRIVERS_RPM=y
 CONFIG_DRIVERS_SAFETY_BUTTON=y
 CONFIG_COMMON_TELEMETRY=y
 CONFIG_DRIVERS_TONE_ALARM=y