arm64: defconfig: Enable RPi voltage sensor

The patch enables the hwmon driver for the Raspberry Pi.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>

arch/arm64/configs/defconfig

@@ -365,6 +365,7 @@ CONFIG_BATTERY_BQ27XXX=y
 CONFIG_SENSORS_ARM_SCPI=y
 CONFIG_SENSORS_LM90=m
 CONFIG_SENSORS_INA2XX=m
+CONFIG_SENSORS_RASPBERRYPI_HWMON=m
 CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
 CONFIG_CPU_THERMAL=y
 CONFIG_THERMAL_EMULATION=y