Add support for QAM64 modulation type to the au8522 demod driver.
Signed-off-by: NFrank Dischner <phaedrus961@gmail.com>
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>