ODROID-C5: watchdog: use watchdog userspace

Signed-off-by: YoungSoo Shin <shinys000114@gmail.com>
Change-Id: Ia8a6d3ac72f75bb061001f67db77fcd51db8ad7d
diff --git a/arch/arm64/boot/dts/amlogic/s7d_s905x5m_odroidc5.dts b/arch/arm64/boot/dts/amlogic/s7d_s905x5m_odroidc5.dts
index 2f371b7..c00ab1f 100644
--- a/arch/arm64/boot/dts/amlogic/s7d_s905x5m_odroidc5.dts
+++ b/arch/arm64/boot/dts/amlogic/s7d_s905x5m_odroidc5.dts
@@ -1099,3 +1099,9 @@
 &loopbacka {
 	status = "disabled";
 };
+
+&apb4 {
+	watchdog@2100 {
+		amlogic,feed_watchdog_mode = <0>;
+	};
+};