ARM: multi_v7_defconfig: configure I2C driver built-in

PMIC often require the I2C bus, and the PMIC regulators might be
necessary to power on eMMC/SD-card or other supplies required
for successful boot. Make sure I2C driver for i.MX devices is
built-in.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -375,7 +375,7 @@ CONFIG_I2C_DIGICOLOR=m
 CONFIG_I2C_EMEV2=m
 CONFIG_I2C_GPIO=m
 CONFIG_I2C_EXYNOS5=y
-CONFIG_I2C_IMX=m
+CONFIG_I2C_IMX=y
 CONFIG_I2C_MV64XXX=y
 CONFIG_I2C_RIIC=y
 CONFIG_I2C_RK3X=y