[PATCH] sparc64 usb build fix

We need asm/irq.h for __irq_itoa() on sparc[64].
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/usb/core/hcd.c

@@ -39,6 +39,7 @@
 #include <asm/scatterlist.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
+#include <asm/irq.h>
 #include <asm/byteorder.h>
 
 #include <linux/usb.h>