USB: musb: Kconfig fix

The Blackfin MUSB Kconfig text didn't properly parenthesise its
dependencies.  This was visible in non-Blackfin configs by the
way the user interfaces lost track of dependencies, when doing
a bunch of test builds.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/musb/Kconfig

@@ -50,7 +50,7 @@ comment "OMAP 343x high speed USB support"
 	depends on USB_MUSB_HDRC && ARCH_OMAP34XX
 
 comment "Blackfin high speed USB Support"
-	depends on USB_MUSB_HDRC && (BF54x && !BF544) || (BF52x && !BF522 && !BF523)
+	depends on USB_MUSB_HDRC && ((BF54x && !BF544) || (BF52x && !BF522 && !BF523))
 
 config USB_TUSB6010
 	boolean "TUSB 6010 support"