power_supply: add POWER_SUPPLY properties to be used by charger driver

Add following power_supply properties:
POWER_SUPPLY_PROP_BATFET_MODE: property exposes BATFET configuration
of parallel charger.

POWER_SUPPLY_PROP_MIN_ICL: property exposes minimum ICL configuration
required by parallel charger.

POWER_SUPPLY_PROP_MOISTURE_DETECTED: property exposed moisture detection
state of USB connector.

POWER_SUPPLY_PROP_PARALLEL_FCC_MAX: property exposes upper limit on the
charging current that the parallel charger can supply.


Change-Id: I3a6ed44fbafe0eff4ecc9462bdf9a35f34811d8c
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>