ARM: multi_v7_defconfig: Make MAX77802 regulator driver built-in

Maxim 77802 PMIC is a main PMIC for the following Exynos5 based boards:
Odroid XU, Chromebook Pit and Chromebook Pi. Driver for its voltage
regulator is needed very early during boot to properly instantiate SD/MMC
devices and mount rootfs, so change that driver to be compiled-in.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/configs/multi_v7_defconfig

@@ -559,7 +559,7 @@ CONFIG_REGULATOR_MAX8997=m
 CONFIG_REGULATOR_MAX8998=m
 CONFIG_REGULATOR_MAX77686=y
 CONFIG_REGULATOR_MAX77693=m
-CONFIG_REGULATOR_MAX77802=m
+CONFIG_REGULATOR_MAX77802=y
 CONFIG_REGULATOR_PALMAS=y
 CONFIG_REGULATOR_PBIAS=y
 CONFIG_REGULATOR_PWM=y