soc: cpu_pwr_ctl: Set ldo bhs power control to reset value

In msm8994v2, LDO_BHS_PWR_CTRL register is incorrectly set by pbl.
This results in power leakage even when the core is power collapsed.
Correct this at cpu cold boot. Set the register back to the reset
value.

Change-Id: I319c0551b37b51d13f586a7238b2e2231eb2e65f
Signed-off-by: Karthik Parsha <kparsha@codeaurora.org>