V4L/DVB (12753): af9015: [1/2] fix USB TS configuration

Fix wrongly configured USB2.0 TS EP.

Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>