power: step-chg-jeita: update JEITA float voltage compensation

When we run into JEITA at higher VBAT(scenario when Vjeita > Vbat),
there is a possibility of reverse boost. Fix this by suspending
USB input until VBAT falls below the JEITA threshold.

Change-Id: I6c0dea5d1fc9c563a4be3156532cc449fa11ee5a
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>