[PATCH] USB Gadget: fix pxa define in gadget_chips.h

below is a trivial patch which fixes the PXA gadget define
in drivers/linux/usb/gadget/gadget_chips.h

Everywhere CONFIG_USB_GADGET_PXA2XX is used, except in that file, which
bites obviously ...


Fix define for PXA UDC.

drivers/usb/gadget/gadget_chips.h

@@ -20,7 +20,7 @@
 #define	gadget_is_dummy(g)	0
 #endif
 
-#ifdef CONFIG_USB_GADGET_PXA
+#ifdef CONFIG_USB_GADGET_PXA2XX
 #define	gadget_is_pxa(g)	!strcmp("pxa2xx_udc", (g)->name)
 #else
 #define	gadget_is_pxa(g)	0