Tegra194: pwr_mgmt: introduce power management support

This patch introduces support to enter the System Suspend power state. The
required context is saved to allow the platform to enter and resume from
the state.

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: Iaeaf065f87a2b20981aa92a14fa964802fada20c
4 files changed