MLK-11368-01 serial: imx: add UART save/restore during DSM enter/exit
When Mega/Fast mix is off, UART controller will lost power, so need to add save/restore to make it work after resume. Signed-off-by:Anson Huang <b20788@freescale.com> Signed-off-by:
Huang Shijie <b32955@freescale.com> Signed-off-by:
Fugang Duan <B38611@freescale.com> (cherry picked from commit: ea086a7cac1f900b19883e89b2bbb25e5d0b3de1)
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