power: qpnp-charger: check for reverse boost on probe

The accidental reverse boost scenario may occur
before probe.

Fix this by checking the CHG_GONE interrupt status
on probe and running the ARB workaround if necessary.

Change-Id: I6ecc0d5796e7fdacdf61c62eeb14523061a51605
Signed-off-by: David Keitel <dkeitel@codeaurora.org>