tree 0cf3822182b414263ee0304e40fe69629eddd29e
parent 536c2492456758d2fe7e28b11ece9001c4d79cc0
author Caesar Wang <wxt@rock-chips.com> 1473446595 +0800
committer Caesar Wang <wxt@rock-chips.com> 1473451604 +0800

rockchip: support disable/enable specific gpio when suspend/resume

some specific board need to disable/enable specific gpio when
suspend/resume, so we add this function, bootloader can pass the
specific gpio, and we can handle these gpios in bl31 suspend/resuem
function.

Change-Id: I373b03ef9202ee4a05a2b9caacdfa01b47ee2177