max77759_charger: add volt debounce check when charge is done

Fix the symptom that the full flag toggled between 1 and 0.

Bug: 195954910
Change-Id: Ib124f1ad18f78a005216b13451cc47d1b586db9c
Signed-off-by: Ken Tsou <[email protected]>
(cherry picked from commit 79d5757705b29305ae9d2eaaebc00913ead29d39)
1 file changed