[MIPS] Update kernel with fix for panic caused by new codec code.

Signed-off-by: Pete Delaney <piet.delaney@imgtec.com>
[MIPS] Adjust for hardware/ingenic/xb4780/ changes.

1. libxbomx removed and now built from src.

2. hardware/ingenic/xb4780 moved to
   hardware/ingenic/xb4780/coreto avoid git repo encapsulation.

Signed-off-by: Pete Delaney <piet.delaney@imgtec.com>
Merge pull request #7 from piet-delaney/master

Pull Request for device-ingenic-npm801 forked from IngenicSemiconductor/device-ingenic-npm801