Add two helpers for generating correctly tagged images for the T-Home
Speedport W 303V Typ B as well as xor'd ones as required by CFE.
Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26877 3c298f89-4303-0410-b956-a3cf2f4a3e73