arm64: dts: salvator-x: Enable SATA controller

This enables SATA device in r8a7795-salvator-x.dts.
Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts

@@ -212,6 +212,10 @@ dai0 {
 	};
 };
 
+&sata {
+	status = "okay";
+};
+
 &ssi1 {
 	shared-pin;
 };