ARM: mxs: Rename 'hog-gpios'

hog_pins is used to setup the pin functions, and it is not neccesarily used only
for GPIO pins, so use only 'hog' to describe a more generic term.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/boot/dts/imx28-apx4devkit.dts b/arch/arm/boot/dts/imx28-apx4devkit.dts
index b383417..5171667 100644
--- a/arch/arm/boot/dts/imx28-apx4devkit.dts
+++ b/arch/arm/boot/dts/imx28-apx4devkit.dts
@@ -37,7 +37,7 @@
 				pinctrl-names = "default";
 				pinctrl-0 = <&hog_pins_a>;
 
-				hog_pins_a: hog-gpios@0 {
+				hog_pins_a: hog@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
 						0x0113 /* MX28_PAD_GPMI_CE1N__GPIO_0_17 */