tree a69f66e3d730f77d4cb7c7390b62e0643a768d7b
parent ef18007be6116b01f359ee65e5137adda3d243c3
author Caesar Wang <wxt@rock-chips.com> 1473446873 +0800
committer Caesar Wang <wxt@rock-chips.com> 1473451604 +0800

rockchip: set gpio2 ~ gpio4 to input and pull none mode

For save power cosumption, if gpio power supply shut down, we need to
set gpio2 ~ gpio4 to input and HiZ status when suspend, and recovery
they status when rusume. we do it base on apio pass from loader.

Change-Id: I59fd2395e5e37e63425472a39f519822c9197e4c