usb: chipidea: trim include list in udc code
authorAlexander Shishkin <alexander.shishkin@linux.intel.com>
Sat, 30 Mar 2013 00:46:18 +0000 (02:46 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 30 Mar 2013 03:45:44 +0000 (20:45 -0700)
Some headers included in udc core code are not actually needed, remove
them and add irqreturn.h, which was implicitly included via irq.h.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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