V4L/DVB: cx2341x: Report correct temporal setting for log-status

[Andy Walls comment:] This patch from Ian removes the cx2341x module lying
about the setting of the temporal filter for the log status ioctl().

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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