[oem] add LCD video support for GigaBlue that have hardware to support it.
[oem] clean up code for Xtrend's blue power button control.
[oem] clean up code for Ultimo LED button control.
openvix: build 921
[lcd] fix crash entering/waking from standby.
[lcd] fix crash waking from standby.
openvix: build 922
Merge remote-tracking branch 'upstream/master'