move the broadcom driver stuff into its own submenu

SVN-Revision: 4073

openwrt/include/package.mk

@@ -74,6 +74,7 @@ define Package/Default
   PRIORITY:=optional
   DEFAULT:=
   MENU:=
+  SUBMENU:=
   TITLE:=
   DESCRIPTION:=
 endef
@@ -124,6 +125,11 @@ define BuildPackage
 	echo "Menu: $(MENU)";
   endif
 
+  ifneq ($(SUBMENU),)
+    DUMPINFO += \
+	echo "Submenu: $(SUBMENU)";
+  endif
+
   ifneq ($(DEFAULT),)
     DUMPINFO += \
 	echo "Default: $(DEFAULT)";