power: qpnp-qg: Update GOOD_OCV after clearing the old data

The current implementation, during resume clears the stored
FIFO data after updating it with the GOOD_OCV value. Fix this by
clearing the data before storing GOOD_OCV.

Change-Id: I2dd744bf7bbdf13539eb6dedcebab18d381d6216
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>