msm: krait-regulator: use phase management for v2

The PMIC 8841 v2 that comes with msm8974 v2 is capable of doing
phase switching on ganged regulators. Enable this feature for
v2.

Change-Id: I21826f4cf7be332f5ab7621325fa6cbe6aa2ea95
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
diff --git a/include/linux/regulator/krait-regulator.h b/include/linux/regulator/krait-regulator.h
index 836f9d6..b784531 100644
--- a/include/linux/regulator/krait-regulator.h
+++ b/include/linux/regulator/krait-regulator.h
@@ -13,7 +13,8 @@
 #ifndef __KRAIT_REGULATOR_H__
 #define __KRAIT_REGULATOR_H__
 
-#define KRAIT_REGULATOR_DRIVER_NAME "krait-power-regulator"
+#define KRAIT_REGULATOR_DRIVER_NAME	"krait-power-regulator"
+#define KRAIT_PDN_DRIVER_NAME		"krait-pdn"
 
 /**
  * krait_power_init - driver initialization function