[Libva] [PATCH] Source tree re-organisation

[Yuan, Shengquan]

>
> I have attached a few patches:
>
> * Fix drivers build (missing includes, CFLAGS):
>  libva.reorg.missing.includes.patch
>
> * Drop <va/va_x11.h> include from <va_backend.h> as it's now useless:
>  libva.reorg.drop.va_x11.from.backend.patch
Committed.