ARM: dts: imx7-tqma7: Fix PMIC v33 rail voltage range

regulator-*-microvolt is not the range the regulator supports, but the
range which the regulator is allowed to configure. Limit v33 rail to
3.3V only.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

@@ -112,7 +112,7 @@ vgen3_reg: vccsd {
 			};
 
 			vgen4_reg: v33 {
-				regulator-min-microvolt = <2850000>;
+				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-always-on;
 			};