This patch backports support for the TP-Link TL-WA901ND v4 to Chaos Calmer 15.05.1,
which was added into trunk recently [1].
Signed-off by Stijn Segers <francesco.borromini@inventati.org>
[1]: http://patchwork.ozlabs.org/patch/606780/
git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@49226 3c298f89-4303-0410-b956-a3cf2f4a3e73