BUILD: Add ucx.spec into the tarball to support Universal Build System

Author: celermajer

AUTHORS

@@ -9,6 +9,7 @@ Alina Sklarevich <alinas@mellanox.com>
 Alma Mastbaum <amastbaum@nvidia.com>
 Anatoly Vildemanov <anatolyv@nvidia.com>
 Andrey Maslennikov <andreyma@mellanox.com>
+Arnaud Celermajer <acelermajer@nvidia.com>
 Artem Polyakov <artemp@nvidia.com>
 Artem Ryabov <artemry@nvidia.com>
 Artemy Kovalyov <artemyko@mellanox.com>

Makefile.am

@@ -86,6 +86,7 @@ EXTRA_DIST += debian/ucx-cuda.install
 EXTRA_DIST += debian/rules
 EXTRA_DIST += debian/source/format
 EXTRA_DIST += ucx.pc.in
+EXTRA_DIST += ucx.spec
 EXTRA_DIST += LICENSE
 
 endif #!DOCS_ONLY