usb: musb: omap2430: remove unused define

get_cpu_rev() is unused in this driver. It is probably legacy
code. So remove it.
Signed-off-by: NAnand Gadiyar <gadiyar@ti.com>
Signed-off-by: NFelipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/musb/omap2430.c

@@ -39,10 +39,6 @@
 #include "musb_core.h"
 #include "omap2430.h"
 
-#ifdef CONFIG_ARCH_OMAP3430
-#define	get_cpu_rev()	2
-#endif
-
 
 static struct timer_list musb_idle_timer;