ARM: dts: da850-lcdk: Sync from Linux 4.20

Re-synce the device tree files from Linux 4.20

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/arch/arm/dts/da850-lcdk.dts b/arch/arm/dts/da850-lcdk.dts
index a1f4d6d..0177e3e 100644
--- a/arch/arm/dts/da850-lcdk.dts
+++ b/arch/arm/dts/da850-lcdk.dts
@@ -21,8 +21,8 @@
 		stdout-path = "serial2:115200n8";
 	};
 
-	memory {
-		device_type = "memory";
+	memory@c0000000 {
+		/* 128 MB DDR2 SDRAM @ 0xc0000000 */
 		reg = <0xc0000000 0x08000000>;
 	};
 
@@ -123,6 +123,10 @@
 	};
 };
 
+&ref_clk {
+	clock-frequency = <24000000>;
+};
+
 &pmx_core {
 	status = "okay";
 
@@ -173,6 +177,11 @@
 
 &gpio {
 	status = "okay";
+};
+
+&sata_refclk {
+	status = "okay";
+	clock-frequency = <100000000>;
 };
 
 &sata {