ARM: imx6q-sabrelite: Rename 'pinctrl_gpio_hog'

'pinctrl_gpio_hog' is used to setup the pin functions, and it is not
neccesarily used only for GPIO pins, so remove 'gpio' from its name
to describe a more generic term.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6q-sabrelite.dts

@@ -46,10 +46,10 @@ ssi1: ssi@02028000 {
 
 			iomuxc@020e0000 {
 				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_gpio_hog>;
+				pinctrl-0 = <&pinctrl_hog>;
 
-				gpios {
-					pinctrl_gpio_hog: gpiohog {
+				hog {
+					pinctrl_hog: hoggrp {
 						fsl,pins = <
 							1450 0x80000000	/* MX6Q_PAD_NANDF_D6__GPIO_2_6 */
 							1458 0x80000000	/* MX6Q_PAD_NANDF_D7__GPIO_2_7 */