Add vp8 encoder driver for MT8173
Signed-off-by: NPoChun Lin <pochun.lin@mediatek.com>
Signed-off-by: NTiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>