ARM: multi_v7_defconfig: Enable thermal driver for RPi 2/3

This turns on the CONFIG_BCM2835_THERMAL as module for
Raspberry Pi 2 and 3.
Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: NEric Anholt <eric@anholt.net>

arch/arm/configs/multi_v7_defconfig

@@ -465,6 +465,7 @@ CONFIG_SENSORS_NTC_THERMISTOR=m
 CONFIG_SENSORS_PWM_FAN=m
 CONFIG_SENSORS_INA2XX=m
 CONFIG_CPU_THERMAL=y
+CONFIG_BCM2835_THERMAL=m
 CONFIG_BRCMSTB_THERMAL=m
 CONFIG_ROCKCHIP_THERMAL=y
 CONFIG_RCAR_THERMAL=y