Adapt batman-adv-auto-gw-mode Makefile to LiMe style
Adapt batman-adv-auto-gw-mode Makefile to LiMe style

libremesh/lime-packages,p4u/lime-packages,libremesh/lime-packages,libremesh/lime-packages,p4u/lime-packages,p4u/lime-packages,libremesh/lime-packages,libremesh/lime-packages,libremesh/lime-packages,p4u/lime-packages,p4u/lime-packages