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 commit '581034d6902bebc589a7de93977f8784b53a482d' into rockchip-3.0-rbox-kk