ARM: ux500 enable the AB8500 gpio for all HREFs

The AB8500 GPIO was only registered for the pre-v60 HREF but should
be made available on all HREF variants, move the DT entry to the
common file.

Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-href.dtsi

@@ -169,6 +169,10 @@
 
 		prcmu@80157000 {
 			ab8500 {
+				ab8500-gpio {
+					compatible = "stericsson,ab8500-gpio";
+				};
+
 				ab8500-regulators {
 					ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
 						regulator-name = "V-DISPLAY";

arch/arm/boot/dts/ste-hrefprev60.dts

@@ -25,14 +25,6 @@
 	};
 
 	soc {
-		prcmu@80157000 {
-			ab8500@5 {
-				ab8500-gpio {
-					compatible = "stericsson,ab8500-gpio";
-				};
-			};
-		};
-
 		i2c@80004000 {
 			tps61052@33 {
 				compatible = "tps61052";