Update vesta.dtsi to show ADC ref voltage=3.3V now that GW hardware fixed

arch/arm/boot/dts/vesta.dtsi

@@ -44,11 +44,11 @@
 			regulator-max-microvolt = <3300000>;
 		};
 
-		reg_vref_3v: regulator@1 {
+		reg_vref_3v3: regulator@1 {
 			  compatible = "regulator-fixed";
-			  regulator-name = "vref-3v";
-			  regulator-min-microvolt = <3075000>;
-			  regulator-max-microvolt = <3075000>;
+			  regulator-name = "vref-3v3";
+			  regulator-min-microvolt = <3300000>;
+			  regulator-max-microvolt = <3300000>;
 	  	};
 	};
 };
@@ -107,7 +107,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_adc1>;
 	status = "okay";
-	vref-supply = <&reg_vref_3v>;
+	vref-supply = <&reg_vref_3v3>;
 };
 
 &iomuxc {