regulator: ncp6335d: Add sleep mode configuration

Sleep mode configures the regulator to enter into a sleep
state when both EN and VSEL are low. There is a significant
reduction in the leakage current in this mode.

Enable the same for 8x25q.

Change-Id: I7377bf9d702633b9eddcea8f3503cc270bb95c95
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
3 files changed