host-utils: Add host long specific aliases for clz, ctz, ctpop We will standardize on these names, rather than the similar routines currently residing in qemu/bitops.h. Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>