ARM: dts: Add second ATA to NAS4220B

The NAS4220B has the second ATA interface up and running.
Activate it in the device tree.
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/gemini-nas4220b.dts

@@ -202,5 +202,9 @@ ethernet-port@1 {
 		ata@63000000 {
 			status = "okay";
 		};
+
+		ata@63400000 {
+			status = "okay";
+		};
 	};
 };