Autoconf says that aclocal.m4 is a machine-generated copy of
system-wide macros, whereas acinclude.m4 is for project-specific
macros. Reflect this division and ease building by anyone who needs
to re-generate the autotooling by splitting AX_TLS and CHECK_GNU_MAKE
to acinclude.m4.
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
