cdc_subset: deal with a device that needs reset for timeout

This device needs to be reset to recover from a timeout.
Unfortunately this can be handled only at the level of
the subdrivers.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/usb/cdc_subset.c
Simple merge

diff --cc drivers/net/usb/usbnet.c
Simple merge

diff --cc include/linux/usb/usbnet.h
Simple merge