ARM: dts: at91: sam9x75_curiosity: update the usb port-c enable gpio

Update the GPIO for enabling the USB port-c from PB18 to PC31 for the newer
revision sam9x75 curiosity boards.

Signed-off-by: Hari Prasath Gujulan Elango <Hari.PrasathGE@microchip.com>
Tested-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Reviewed-by: Cristian Birsan <cristian.birsan@microchip.com>

Author: Hari Prasath Gujulan Elango

arch/arm/boot/dts/microchip/at91-sam9x75_curiosity.dts

@@ -250,7 +250,7 @@
 	num-ports = <3>;
 	atmel,vbus-gpio = <0
 			   &pioC 27 GPIO_ACTIVE_HIGH
-			   &pioB 18 GPIO_ACTIVE_HIGH>;
+			   &pioC 31 GPIO_ACTIVE_HIGH>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usb_default>;
 	status = "okay";
@@ -365,7 +365,7 @@
 	ohci0 {
 		pinctrl_usb_default: usb-default {
 			atmel,pins = <AT91_PIOC 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
-				      AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+				      AT91_PIOC 31 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
 		};
 	};