Stream did not start anymore after stream was stopped once.

Following error can be seen, xhci_hcd
WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.

usb_clear_halt for streaming endpoint helps.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>