ARM: multi_v7_defconfig: Enable TMU for exynos SoCs

Enable support for Thermal Monitoring Unit present on Exynos SoCs. This
allows detection of overheat and handling this gracefully.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -358,7 +358,8 @@ CONFIG_THERMAL=y
 CONFIG_CPU_THERMAL=y
 CONFIG_RCAR_THERMAL=y
 CONFIG_ARMADA_THERMAL=y
-CONFIG_DAVINCI_WATCHDOG
+CONFIG_DAVINCI_WATCHDOG=m
+CONFIG_EXYNOS_THERMAL=m
 CONFIG_ST_THERMAL_SYSCFG=y
 CONFIG_ST_THERMAL_MEMMAP=y
 CONFIG_WATCHDOG=y