linux-phytec-ti

[media] dt3155v4l: remove deprecated current_norm

Since this driver provides a g_std op the current_norm field isn't used
anyway, so just drop it.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>