Important update:solve system crash problem of probability
                     caused by DDR frequency.
Compile:

- add user commpile: lunch xxx-user

Cts:
- fix audio cts fail.
- fix cts verifier features fail.
- fix cts verifier usb accessory fail.

Setting:

- add Developer options->Screen Auto Rotation for debug only.
Merge branch 'mirror/rockchip' into radxa-dev
Merge commit 'e4d184723d79a5117ee28fe49bd490e9062c5456' into radxa/radxa-dev-kk