usb-core: Add dependency to nls-base (#5973)

SVN-Revision: 18041

package/kernel/modules/usb.mk

@@ -30,7 +30,7 @@ endef
 define KernelPackage/usb-core
   SUBMENU:=$(USB_MENU)
   TITLE:=Support for USB
-  DEPENDS:=@USB_SUPPORT
+  DEPENDS:=@USB_SUPPORT +LINUX_2_6_31:kmod-nls-base
   KCONFIG:=CONFIG_USB
   AUTOLOAD:=$(call AutoLoad,20,usbcore)
 endef