ARM: dt: tegra: gpio comment cleanup

Ensure that all Tegraa GPIO specifiers contain a comment indicating which
GPIO name the number refers to.
Signed-off-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NOlof Johansson <olof@lixom.net>

arch/arm/boot/dts/tegra-paz00.dts

@@ -252,7 +252,7 @@
 		reg = <0x7000C500 0x100>;
 		interrupts = <0 92 0x04>;
 		clock-frequency = <80000>;
-		request-gpios = <&gpio 170 0>;
+		request-gpios = <&gpio 170 0>; /* gpio PV2 */
 		slave-addr = <138>;
 	};
 
@@ -343,7 +343,7 @@
 
 		wifi {
 			label = "wifi-led";
-			gpios = <&gpio 24 0>;
+			gpios = <&gpio 24 0>; /* gpio PD0 */
 			linux,default-trigger = "rfkill0";
 		};
 	};

arch/arm/boot/dts/tegra-trimslice.dts

@@ -305,8 +305,8 @@
 	};
 
 	sdhci@c8000600 {
-		cd-gpios = <&gpio 121 0>;
-		wp-gpios = <&gpio 122 0>;
+		cd-gpios = <&gpio 121 0>; /* gpio PP1 */
+		wp-gpios = <&gpio 122 0>; /* gpio PP2 */
 	};
 
 	usb@c5004000 {

arch/arm/boot/dts/tegra-ventana.dts

@@ -302,7 +302,7 @@
 
 		nvidia,spkr-en-gpios = <&wm8903 2 0>;
 		nvidia,hp-det-gpios = <&gpio 178 0>; /* gpio PW2 */
-		nvidia,int-mic-en-gpios = <&gpio 184 0>; /*gpio PX0 */
+		nvidia,int-mic-en-gpios = <&gpio 184 0>; /* gpio PX0 */
 		nvidia,ext-mic-en-gpios = <&gpio 185 0>; /* gpio PX1 */
 	};