[Libva] [LIBVA][PATCH] Add the fourcc of I010 format

[Xiang, Haihao]

Thank for the patch, applied.

> I010 is another kind of 10-bit format. Its layout is similar to
> IYUV(I420).
> And the lower 10-bit is used.
> 
> Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
> ---
>  va/va.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/va/va.h b/va/va.h
> index 88628a8..153a89b 100644
> --- a/va/va.h
> +++ b/va/va.h
> @@ -2545,6 +2545,11 @@ VAStatus vaQuerySurfaceError(
>  #define VA_FOURCC_P010          0x30313050
>  #define VA_FOURCC_P016          0x36313050
>  
> +/**
> + * 10-bit Planar YUV 420 and occupy the lower 10-bit.
> + */
> +#define VA_FOURCC_I010          0x30313049
> +
>  /* byte order */
>  #define VA_LSB_FIRST		1
>  #define VA_MSB_FIRST		2