Switch to the managed versions of rc_allocate_device/rc_register_device,
thus simplifying the code.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: NNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: NSean Young <sean@mess.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>