- remove/rename of 6lowpan-iphc
upstream change in 3.17: 6lowpan: introduce new net/6lowpan directory
id: 2c6bed7cfcd3f594ed9e4d6919fa2ebea2243d19

Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45529 3c298f89-4303-0410-b956-a3cf2f4a3e73