lists/kmod: add additional modules no longer compiled in

Few optional features were set to OpenWrt default that is package it as
package. This just adds those packages to system so behavior stays the
same.

lists/kmod.list

@@ -10,3 +10,6 @@ br-netfilter
 
 # Other hardware
 usb2
+
+# Kernel configuration via /proc/config.gz
+ikconfig