ARM: dts: gemini: Rename IDE nodes

By renaming the ATA drive nodes to "ide@" we activate the
semantic checks to the DT schema for the controller and use
the correct notation for PATA drives.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts
index 521714f..43c45f7 100644
--- a/arch/arm/boot/dts/gemini-nas4220b.dts
+++ b/arch/arm/boot/dts/gemini-nas4220b.dts
@@ -170,11 +170,11 @@ ethernet-port@1 {
 			};
 		};
 
-		ata@63000000 {
+		ide@63000000 {
 			status = "okay";
 		};
 
-		ata@63400000 {
+		ide@63400000 {
 			status = "okay";
 		};