except sim arch, since this flag is set inside Toolschain.defs now Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
includes following parts: add support of sparc in arch/Kconfig add support of sparc in boards/Kconfig add sparc dir in arch, add sparc dir in boards add support of sparc in libs/libc/machine modify all the coding style problem about saprc