ANDROID: w1: ds2482: Manage SLPZ pin sleep state

Place SLPZ pin in sleep state at system suspend time if a GPIO is
provided by board platform data.

Signed-off-by: Todd Poynor <toddpoynor@google.com>

Bug: None
Patchset: w1-ds2482-suspend

Signed-off-by: Mattias Nissler <mnissler@google.com>
Change-Id: I580020c843e9c865fbc5ad03d67a8bdb18596ab0
2 files changed