msm: board-8064: Add control for PM8921 regulator LDO 13 (VREG_XO)

Add LDO 13 (VREG_XO) configurations and contraints in
board-8064-regulator.c so that this regulator can be controlled
by regulator framework consumers.

Change-Id: I0759bd319284ad70fda70f78fca917b5c902b454
CRs-Fixed: 393749
Signed-off-by: David Collins <collinsd@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064-regulator.c b/arch/arm/mach-msm/board-8064-regulator.c
index 3c9ef65..1a5924d 100644
--- a/arch/arm/mach-msm/board-8064-regulator.c
+++ b/arch/arm/mach-msm/board-8064-regulator.c
@@ -85,6 +85,9 @@
 	REGULATOR_SUPPLY("cam_vdig",		"4-0020"),
 	REGULATOR_SUPPLY("8921_l12",		NULL),
 };
+VREG_CONSUMERS(L13) = {
+	REGULATOR_SUPPLY("8921_l13",		NULL),
+};
 VREG_CONSUMERS(L14) = {
 	REGULATOR_SUPPLY("8921_l14",		NULL),
 };
@@ -657,6 +660,7 @@
 	RPM_LDO(L10, 0, 1, 0, 2900000, 2900000, NULL,          0,     0),
 	RPM_LDO(L11, 0, 1, 0, 3000000, 3000000, NULL,          0,     0),
 	RPM_LDO(L12, 0, 1, 0, 1200000, 1200000, "8921_s4",     0,     0),
+	RPM_LDO(L13, 0, 0, 0, 2220000, 2220000, NULL,          0,     0),
 	RPM_LDO(L14, 0, 1, 0, 1800000, 1800000, NULL,          0,     0),
 	RPM_LDO(L15, 0, 1, 0, 1800000, 2950000, NULL,          0,     0),
 	RPM_LDO(L16, 0, 1, 0, 2800000, 2800000, NULL,          0,     0),