kernel: keep usb1 active while system sleep

1. Keep USB1 port power domain always on.
2. Don't stop xhci HC while system sleep.

Change-Id: Iebcb12df74d4f75495b977940b030411392cc89b
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Leonid Lobachev <leonidl@google.com>
2 files changed