Index: /src/router/rules/busybox.mk
===================================================================
--- /src/router/rules/busybox.mk	(revision 12779)
+++ /src/router/rules/busybox.mk	(revision 12780)
@@ -33,7 +33,5 @@
 endif
 ifeq ($(CONFIG_BCMMODERN),y)
-	echo CONFIG_MKNOD=y >> busybox/.config
-else
-	echo "# CONFIG_MKNOD is not set" >> busybox/.config
+	cp busybox/.config_bcmmodern busybox/.config
 endif
 	cd busybox && make oldconfig