power: smb1355: add support for die-temp based mitigation

Add support to configure/enable hardware controlled mitigation
based on DIE temperature. H/W controlled scheme manipulates
charge current(FCC) going though the charger whenever
die temperature crosses configured threshold.

Change-Id: Icc7ed6d0f5464ba6223745db440087d9aa4909eb
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>