This fixes test failures of packages that use Open MPI, whereby UCX
would error out due to /sys/class/net being unavailable in the build
chroot that the daemon sets up.
* gnu/packages/patches/ucx-tcp-iface-ioctl.patch: New file.
* gnu/packages/fabric-management.scm (ucx)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.
Until now, InfiniBand support was missing, as reported by "ucx_info -d"
on a machine with InfiniBand networking.
* gnu/packages/fabric-management.scm (ucx)[arguments]: Build with
"--with-verbs".
* gnu/packages/fabric-management.scm (opensm): Update to 3.3.21.
[source]: Update tarball URI.
[native-inputs]: Add autoconf, automake, and libtool.
[arguments]: Rename 'doc' phase to 'install-doc'.
Omit AUTHORS and ChangeLog files. They are more than a decade old.
