mfd: pm8xxx-misc: Add pm8xxx smpl based API's

Add APIs to:
1. Configure PMIC to reset/shutdown on a SMPL event
2. Set SMPL delay time

Change-Id: I9e677ebd5b4339b50e7d18e2ba0eb3af694c2d20
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
2 files changed