After the following two commits:
commit 872e24d5c6 ("hexagon: remove asm/bitsperlong.h")
commit 83f0124ad8 ("microblaze: remove asm-generic wrapper headers")
the arch-specific headers of hexagon and microblaze have been removed,
the tools arch uapi headers are useless too, remove them.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>