arm/dts:cebu:sar sensor voltage

WHY:vendor changed the sar sensor voltage
HOW:pick the change

Change-Id: Ib96ff825cab4fe2e3578e1dfd9a1710d413188a1
Signed-off-by: wunan3 <wunan3@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1662771
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Jianguo Liu <liujg6@motorola.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key

qcom/bengal-cebu-common-overlay.dtsi

@@ -194,7 +194,7 @@
 &pm6125_l21 {
              regulator-min-microvolt = <2400000>;
              regulator-max-microvolt = <3600000>;
-             qcom,init-voltage = <2400000>;
+             qcom,init-voltage = <2800000>;
 };