[PATCH] fix PXA2xx UDC compilation error

This was apparently missed by the move to the generic IRQ code.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/usb/gadget/pxa2xx_udc.c

@@ -43,11 +43,11 @@
 #include <linux/mm.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/irq.h>
 
 #include <asm/byteorder.h>
 #include <asm/dma.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/mach-types.h>
 #include <asm/unaligned.h>