arm64: dts: imx8mm-venice-gw7902: add vdd_5p0 ADC channel

Add missing vdd_5p0 ADC channel for the GW7902 boards.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts

@@ -394,6 +394,13 @@ channel@9a {
 				gw,voltage-divider-ohms = <10000 10000>;
 			};
 
+			channel@9c {
+				gw,mode = <2>;
+				reg = <0x9c>;
+				label = "vdd_5p0";
+				gw,voltage-divider-ohms = <10000 10000>;
+			};
+
 			channel@a2 {
 				gw,mode = <2>;
 				reg = <0xa2>;

arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts

@@ -393,6 +393,13 @@ channel@9a {
 				gw,voltage-divider-ohms = <10000 10000>;
 			};
 
+			channel@9c {
+				gw,mode = <2>;
+				reg = <0x9c>;
+				label = "vdd_5p0";
+				gw,voltage-divider-ohms = <10000 10000>;
+			};
+
 			channel@a2 {
 				gw,mode = <2>;
 				reg = <0xa2>;