hselasky ba378c2acb Fix for control endpoint handling in the DWC OTG driver. The data
stage processing is only allowed after the setup complete event has
been received. Else a race may occur and the OUT data can be corrupted.
While at it ensure resetting a FIFO has the required wait loop.

MFC after:	3 days
2015-06-02 17:40:52 +00:00
..
2015-02-16 15:34:10 +00:00