ARM: multi_v7_defconfig: add RN5T618 PMIC family support

This allows to successfully boot Colibri iMX7 which is using
the Ricoh RN5T567 PMIC.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -487,6 +487,7 @@ CONFIG_ARM_SP805_WATCHDOG=y
 CONFIG_AT91SAM9X_WATCHDOG=y
 CONFIG_SAMA5D4_WATCHDOG=y
 CONFIG_ORION_WATCHDOG=y
+CONFIG_RN5T618_WATCHDOG=y
 CONFIG_ST_LPC_WATCHDOG=y
 CONFIG_SUNXI_WATCHDOG=y
 CONFIG_IMX2_WDT=y
@@ -523,6 +524,7 @@ CONFIG_MFD_CPCAP=y
 CONFIG_MFD_PM8XXX=y
 CONFIG_MFD_QCOM_RPM=y
 CONFIG_MFD_SPMI_PMIC=y
+CONFIG_MFD_RN5T618=y
 CONFIG_MFD_SEC_CORE=y
 CONFIG_MFD_STMPE=y
 CONFIG_MFD_PALMAS=y
@@ -560,6 +562,7 @@ CONFIG_REGULATOR_PBIAS=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_QCOM_RPM=y
 CONFIG_REGULATOR_QCOM_SMD_RPM=y
+CONFIG_REGULATOR_RN5T618=y
 CONFIG_REGULATOR_S2MPS11=y
 CONFIG_REGULATOR_S5M8767=y
 CONFIG_REGULATOR_TI_ABB=y