Added board PixelView PlayTV Box 4
Thanks to Vildenei Negrao Pereira <neodarkaman@brturbo.com.br> for testing and data collection.
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>