move fit config modification to on-build-config lib
move fit config modification to on-build-config lib

changev/RackHD,RackHD-Mirror/RackHD,uppalk1/RackHD,hohene/RackHD,RackHD/RackHD,hohene/RackHD,panpan0000/RackHD,changev/RackHD,RackHD/RackHD,RackHD-Mirror/RackHD,RackHD/RackHD,changev/RackHD,panpan0000/RackHD,hohene/RackHD,RackHD-Mirror/RackHD,RackHD/RackHD,RackHD-Mirror/RackHD,panpan0000/RackHD,uppalk1/RackHD,uppalk1/RackHD,uppalk1/RackHD,changev/RackHD,hohene/RackHD,panpan0000/RackHD