arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG

Enable the watchdog driver for UniPhier SoC
Signed-off-by: NKeiji Hayashibara <hayashibara.keiji@socionext.com>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm64/configs/defconfig

@@ -312,6 +312,7 @@ CONFIG_S3C2410_WATCHDOG=y
 CONFIG_MESON_GXBB_WATCHDOG=m
 CONFIG_MESON_WATCHDOG=m
 CONFIG_RENESAS_WDT=y
+CONFIG_UNIPHIER_WATCHDOG=y
 CONFIG_BCM2835_WDT=y
 CONFIG_MFD_CROS_EC=y
 CONFIG_MFD_CROS_EC_I2C=y