[packages] net: add a bmx6 package (thanks to Axel)



git-svn-id: svn://svn.openwrt.org/openwrt/packages/net/bmx6@26187 3c298f89-4303-0410-b956-a3cf2f4a3e73
move bmx6 files to subdirectory
Merge branch 'bmx6'