USB: musb: fix build when !CONFIG_PM

Fix this build error when CONFIG_PM is not set:
drivers/usb/musb/musb_core.c:2232: error: 'musb_resume_early' undeclared here

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/musb/musb_core.c

@@ -2191,7 +2191,7 @@ static int musb_resume_early(struct platform_device *pdev)
 
 #else
 #define	musb_suspend	NULL
-#define	musb_resume	NULL
+#define	musb_resume_early	NULL
 #endif
 
 static struct platform_driver musb_driver = {