power: supply: qpnp-smb2: add support to disable power role switch

Moisture detection feature requires USB to be configured in SINK mode
until moisture is cleared. Add disable usb power role switch support
using a votable object. Also add support to handle moisture detection
result.

CRs-Fixed: 2102107
Change-Id: I039c6a40665a10036131b45fe61912246264aa98
Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>