1*4882a593SmuzhiyunBR2_powerpc=y 2*4882a593SmuzhiyunBR2_powerpc_e500mc=y 3*4882a593SmuzhiyunBR2_TOOLCHAIN_EXTERNAL=y 4*4882a593SmuzhiyunBR2_TOOLCHAIN_EXTERNAL_BOOTLIN_POWERPC_E500MC_UCLIBC_STABLE=y 5