usb: msm_otg: Vote for EXT_3P3V regulator for MHL connector

In case of 8960 Liquid, need to vote for EXT_3P3V regulator
to avoid usb connection lost as MHL analog switch is powered
by this regulator.

Change-Id: Ifc36d7916a5407801fdf43357176efa264d160bd
CRs-fixed: 315979
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm8960-regulator.c b/arch/arm/mach-msm/board-msm8960-regulator.c
index 29b7460..de2a94e 100644
--- a/arch/arm/mach-msm/board-msm8960-regulator.c
+++ b/arch/arm/mach-msm/board-msm8960-regulator.c
@@ -231,6 +231,7 @@
 	REGULATOR_SUPPLY("ext_3p3v",		NULL),
 	REGULATOR_SUPPLY("vdd",			"3-005b"),
 	REGULATOR_SUPPLY("vdd_lvds_3p3v",	"mipi_dsi.1"),
+	REGULATOR_SUPPLY("mhl_ext_3p3v",	"msm_otg"),
 };
 
 #define PM8921_VREG_INIT(_id, _min_uV, _max_uV, _modes, _ops, _apply_uV, \