the -fmacro-prefix-map compile option is gcc/clang/armclang specific
compile option, and greenhills do not recognize this compile option, if
we add this option is CMakeLists.txt, the following warning will be
reported when each file is being compiled:
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/nuttx=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/apps=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/vendor/flagchip/boards/mann/dcu/fc4150f1m-labm_a1=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/vendor/flagchip/chips/fc4150=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/nuttx=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/apps=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/vendor/flagchip/boards/mann/dcu/fc4150f1m-labm_a1=" passed to linker
ccarm: Warning: Unknown option "-fmacro-prefix-map=/home/guoshichao/work_profile/vela_os/vela_car_5/vendor/flagchip/chips/fc4150=" passed to linker
Signed-off-by: guoshichao <guoshichao@xiaomi.com>
1. refactor the ghs/gcc/clang/armclang toolchain management in CMake
2. unify the cmake toolchain naming style
3. support greenhills build procedure with CMake
4. add protect build for greenhills and gnu toolchain with CMake
Signed-off-by: guoshichao <guoshichao@xiaomi.com>