[packages] add dump1090, Mode S decoder for the Realtek RTL2832U

git-svn-id: svn://svn.openwrt.org/openwrt/packages@36086 3c298f89-4303-0410-b956-a3cf2f4a3e73
[packages] sshtunnel: port value in server section is not read Signed-off-by: Ingo Schmidt <ich at der-ingo.de>

git-svn-id: svn://svn.openwrt.org/openwrt/packages@36087 3c298f89-4303-0410-b956-a3cf2f4a3e73