[media] v4l2: bfin: Ensure delete and reinit list entry on NOMMU architecture

On NOMMU architecture page fault is not triggered if a deleted list entry is
accessed without reinit.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>