arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG

Enable the watchdog driver for UniPhier SoC

Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index d81fdbe..852f296 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -312,6 +312,7 @@
 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