tree a7299ea591ef306cd0cf820a1c4c17b0d21f2ec9
parent b63f6b20f52f9e8189f0c9f81d15463719b82cfa
author developer <developer@mediatek.com> 1596270192 +0800
committer Manish Pandey <manish.pandey2@arm.com> 1607383827 +0000

mediatek: mt8192: add uart save and restore api

When system resume, we want to print log as soon as possible.
So we add uart save and restore api, and they will be called
when systtem suspend and resume.

Change-Id: I83b477fd2b39567c9c6b70534ef186993f7053ae