msm: qpnp-power-on: configure KPDPWR_N S2 for HARD_RESET at TWM entry

Configure KPDPWR_N to S2 during TWM entry to make sure that PMIC
does a HARD_RESET during TWM if S2 reset is initiated.

Change-Id: I4731487a2487af8aca8d5c30835ec6d87ee8fdc8
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>