msm: clock-8960: Update the vote voltage for S8 vreg

The voltage of S8 vreg is updated to 2.1v therefore update
the vote voltage in the clock driver.

Change-Id: I491146ecfb37adb5a8e0125d14161b8c1cb3d6ed
Signed-off-by: Tianyi Gou <tgou@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-8960.c b/arch/arm/mach-msm/clock-8960.c
index b0e616c..65dd405 100644
--- a/arch/arm/mach-msm/clock-8960.c
+++ b/arch/arm/mach-msm/clock-8960.c
@@ -423,7 +423,7 @@
 					RPM_VREG_VOTER3, 1800000, 1800000, 1);
 		} else {
 			rc = rpm_vreg_set_voltage(RPM_VREG_ID_PM8921_S8,
-					RPM_VREG_VOTER3, 2200000, 2200000, 1);
+					RPM_VREG_VOTER3, 2100000, 2100000, 1);
 			if (rc)
 				return rc;
 			rc = rpm_vreg_set_voltage(RPM_VREG_ID_PM8921_L23,