[media] em28xx: clean-up several unused parametrs in struct em28xx_usb_isoc_ctl

Get rid of several unused parameters in struct em28xx_usb_isoc_ctl.

Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2 files changed