USB: xhci: use xhci_handle_event instead of handle_event

The former is way to generic for a global symbol.

Fixes this build error:

drivers/usb/built-in.o: In function `.handle_event': (.text+0x67dd0): multiple definition of `.handle_event'
drivers/pcmcia/built-in.o:(.text+0xcfcc): first defined here
drivers/usb/built-in.o: In function `handle_event': (.opd+0x5bc8): multiple definition of `handle_event'
drivers/pcmcia/built-in.o:(.opd+0xed0): first defined here

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/xhci-ring.c

@@ -1009,7 +1009,7 @@ cleanup:
  * This function handles all OS-owned events on the event ring.  It may drop
  * xhci->lock between event processing (e.g. to pass up port status changes).
  */
-void handle_event(struct xhci_hcd *xhci)
+void xhci_handle_event(struct xhci_hcd *xhci)
 {
 	union xhci_trb *event;
 	int update_ptrs = 1;
@@ -1054,7 +1054,7 @@ void handle_event(struct xhci_hcd *xhci)
 		set_hc_event_deq(xhci);
 	}
 	/* Are there more items on the event ring? */
-	handle_event(xhci);
+	xhci_handle_event(xhci);
 }
 
 /****		Endpoint Ring Operations	****/