compile cmd:

make CHIP=bl602 BOARD=bl602dk 

make CHIP=bl702 BOARD=bl702dk 

make CHIP=bl808 CPU_ID=m0 BOARD=bl808dk 

make CHIP=bl606p CPU_ID=m0 BOARD=bl606pdk 

make CHIP=bl616 CPU_ID=m0 BOARD=bl616dk