usbdebug: Fix control messages

Add support for control messages with a write of data stage.

Add status stage after a read of non-zero length data stage.

Do not retry control message if device responds with STALL.

Change-Id: I16fb9ae39630b975af5461b63d050b9adaccef0f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3867
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
1 file changed