arm/dt: msm8226: Fix PM8226 S1 voltage setting to nominal

The current setting of 1.2875 V is not a supported
PMIC FTS setpoint.

Fix this by changing the voltage settings to 1.15 V
(nominal) for both S1 and L3.

Note that 1.15 V is the only safely usable voltage
setting for VDD_MX and VDD_CX that can be used
without RPM support.

Also, fix a phandle for pm8026_s1_corner by renaming it to
pm8226_s1_corner to adequately reflect the platform's
name change.

Change-Id: I0d30fc1a37d12a355f9ea442482fbaf2d012cffe
Signed-off-by: David Keitel <dkeitel@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8226.dtsi b/arch/arm/boot/dts/msm8226.dtsi
index de4e571..b7785b9 100644
--- a/arch/arm/boot/dts/msm8226.dtsi
+++ b/arch/arm/boot/dts/msm8226.dtsi
@@ -524,7 +524,7 @@
 		reg = <0xfe200000 0x00100>,
 		      <0xfd485100 0x00010>;
 		reg-names = "qdsp6_base", "halt_base";
-		vdd_cx-supply = <&pm8026_s1_corner>;
+		vdd_cx-supply = <&pm8226_s1_corner>;
 		interrupts = <0 162 1>;
 
 		qcom,firmware-name = "adsp";