[PATCH 3/7] AT91 UDC startup fix

Renaud C. r.cerrato at til-technologies.fr
Tue Mar 12 11:54:00 EDT 2013

I noticed that depending on boot timings, the USB gadget weren't detected
at all by hosts. After few hours of debugging and using the at91clk output,
I found that the UDP clock wasn't enabled from time to time.

This patch fix the startup of UDC by adding a check into the
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