Remove port from mptcp_loc - it is not used

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Fall back to TCP when receiving a packet without MP_CAPABLE.

Signed-off-by: Cristina Ciocan <cristina.ciocan@intel.com>
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>