tree 4e149ca7f7d4159bb12aebb27569a44174ba1216
parent bfc5539335e506bdfc862812713afd054a27aff7
author Parth Dixit <parthd@codeaurora.org> 1445283537 +0530
committer Parth Dixit <parthd@codeaurora.org> 1449672005 +0530

dev: pmic: add function to read pmi variant

PMI8950 and PMI8937 have same rev id to distinguish between them.
PBS writes PMI8937 id into one of the spare registers.
Add a function to retrieve the id.

Change-Id: If1de4422c81a0c7c335db98e528eb5e00cde955d