Commit 680d87c0 ("[media] tuner-core: use pr_foo, instead of
internal printk macros") removed the use of PREFIX, remove the #define
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NHans Verkuil <hansverk@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>