arc_cmd

make -C ./extern/mtk_ap-bsp/source menuconfig
make -C ./extern/mtk_ap-bsp/source dep
make -C ./extern/mtk_ap-bsp/source
make -C ./extern/mtk_ap-bsp/source linux image //only kernel
make -C ./extern/mtk_ap-bsp/source modules romfs linux image //kernel module source files
make -C ./extern/mtk_ap-bsp/RT288x_SDK/source user_only romfs linux image //application source files
make -C ./extern/mtk_ap-bsp/source romfs linux image