[lib][ffs] fix makefile for new makefile tweaks
[lib][ffs] fix makefile for new makefile tweaks

nvll/lk,GCrean/lk,minglun-tsai/lk,hollanderic/lkstuff,minglun-tsai/lk,grub4android/lk,travisg/lk,M1cha/lk,ErikCorryGoogle/lk,skabet/lk,skabet/lk,sndnvaps/lk,M1cha/lk,travisg/lk,ErikCorryGoogle/lk,grub4android/lk,GCrean/lk,GCrean/lk,littlekernel/lk,srodrig1/lk,pablomarx/lk,GCrean/lk,grub4android/lk,M1cha/lk,sndnvaps/lk,littlekernel/lk,M1cha/lk,pablomarx/lk,pablomarx/lk,srodrig1/lk,travisg/lk,nvll/lk,pablomarx/lk,skabet/lk,nvll/lk,pablomarx/lk,minglun-tsai/lk,sndnvaps/lk,ErikCorryGoogle/lk,hollanderic/lkstuff,littlekernel/lk,GCrean/lk,travisg/lk,littlekernel/lk,hollanderic/lkstuff,sndnvaps/lk,M1cha/lk,nvll/lk,minglun-tsai/lk,srodrig1/lk,nvll/lk,srodrig1/lk,hollanderic/lkstuff,grub4android/lk,skabet/lk,ErikCorryGoogle/lk,srodrig1/lk,sndnvaps/lk,skabet/lk,grub4android/lk