arm/dt: mpq8092-regulator: Fix min. voltage level for LDO13

LD013 can support two voltage levels 1.8V and 2.95V.
Update the regulator-min-microvolt parameter so that
it reflects correct min. voltage supported (1.8V).

Change-Id: I129ce95583c989b6e96275fcea7cf93984a68d3b
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
diff --git a/arch/arm/boot/dts/mpq8092-regulator.dtsi b/arch/arm/boot/dts/mpq8092-regulator.dtsi
index fbc9586..b724a3d 100644
--- a/arch/arm/boot/dts/mpq8092-regulator.dtsi
+++ b/arch/arm/boot/dts/mpq8092-regulator.dtsi
@@ -159,7 +159,7 @@
 		};
 
 		pm8644_l13: regulator@4c00 {
-			regulator-min-microvolt = <2950000>;
+			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <2950000>;
 			qcom,enable-time = <200>;
 			qcom,pull-down-enable = <1>;