[make] fix 'make help' to work with dumb echo commands
[make] fix 'make help' to work with dumb echo commands

travisg/lk,littlekernel/lk,travisg/lk,littlekernel/lk,sndnvaps/lk,littlekernel/lk,hollanderic/lkstuff,minglun-tsai/lk,hollanderic/lkstuff,hollanderic/lkstuff,ErikCorryGoogle/lk,ErikCorryGoogle/lk,sndnvaps/lk,minglun-tsai/lk,sndnvaps/lk,sndnvaps/lk,travisg/lk,travisg/lk,ErikCorryGoogle/lk,littlekernel/lk,hollanderic/lkstuff,sndnvaps/lk,ErikCorryGoogle/lk,minglun-tsai/lk,minglun-tsai/lk