arm64: defconfig: add CONFIG_ARM_SP805_WATCHDOG

Enable the SP805 watchdog timer

Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 2823566..7a0182c 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -378,6 +378,7 @@
 CONFIG_TEGRA_BPMP_THERMAL=m
 CONFIG_UNIPHIER_THERMAL=y
 CONFIG_WATCHDOG=y
+CONFIG_ARM_SP805_WATCHDOG=y
 CONFIG_S3C2410_WATCHDOG=y
 CONFIG_MESON_GXBB_WATCHDOG=m
 CONFIG_MESON_WATCHDOG=m