wireless: build hermes packages from compat-wirelessand not from the kernel.

hermes now depends on cfg80211 and that is provided by compat-wireless, so the hermes driver should also be taken from that source.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23946 3c298f89-4303-0410-b956-a3cf2f4a3e73