usb: gadget: f_tcm: Cleanup requests on ep disable

There may be different reasons for the transfer to be cancelled. Don't
blindly free the command without checking its status. We may still need
to properly respond to cancelled command. Check and only free the
command on endpoint disable.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/6c4ae2b4c2a9037bdcb6f909e173a94b11f04657.1733876548.git.Thinh.Nguyen@synopsys.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>