ARM: at91: at91_dt_defconfig: enable LM75 sensors

Enable LM75 sensors as a module.

Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>

Author: cristibirsan

arch/arm/configs/at91_dt_defconfig

@@ -138,7 +138,8 @@ CONFIG_GPIO_SYSFS=y
 CONFIG_GPIO_PCA953X=m
 CONFIG_POWER_RESET=y
 CONFIG_POWER_SUPPLY=y
-# CONFIG_HWMON is not set
+CONFIG_HWMON=m
+CONFIG_SENSORS_LM75=m
 CONFIG_WATCHDOG=y
 CONFIG_AT91SAM9X_WATCHDOG=y
 CONFIG_SAMA5D4_WATCHDOG=y