power: qpnp-smbcharger: add support for HVDCP detection

Currently, we detect SDP, CDP and DCP chargers over the USB. Extend
the support for the detection of HVDCP chargers as well. Notify the
detection of HVDCP to usb power supply (if present) after the charger
insertion.

CRs-Fixed: 775241
Change-Id: I37072d63f7ecbbced5c3bf44f2586ea9a4fc46e8
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>