Add support for the TDA1997x HDMI receivers.
Signed-off-by: NTim Harvey <tharvey@gateworks.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fix type 'testin' -> 'testing']
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>