power: qpnp-fg-gen3: Add support to configure ESR pulse thresholds

ESR pulse qualification threshold and measurement current should
get set properly without which ESR pulses can fire frequently
causing frequent wakeups. Add support to configure them. Use the
default values as per the hardware recommendation.

Change-Id: I160b2171c46df483c7fa4da2ce23009d99c6dcff
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>