arm64: defconfig: enable meson WDT as modules

Signed-off-by: NKevin Hilman <khilman@baylibre.com>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm64/configs/defconfig

@@ -267,6 +267,8 @@ CONFIG_EXYNOS_THERMAL=y
 CONFIG_WATCHDOG=y
 CONFIG_RENESAS_WDT=y
 CONFIG_S3C2410_WATCHDOG=y
+CONFIG_MESON_GXBB_WATCHDOG=m
+CONFIG_MESON_WATCHDOG=m
 CONFIG_MFD_MAX77620=y
 CONFIG_MFD_SPMI_PMIC=y
 CONFIG_MFD_SEC_CORE=y