feature: support CXI in OFI for Slingshot-11 #75

Job	Run time
changa_netlrts-linux-x86_64	6m 17s
buildold_netlrts-linux-x86_64	18m 2s
cuda_netlrts-linux-x86_64_buildonly	10m 5s
charm4py_netlrts-linux-x86_64_tcp	6m 53s
doc	41s
mpi-linux-x86_64	1h 1m 11s
mpi-linux-x86_64_syncft	13m 18s
multicore-darwin-x86_64_projections	16m 24s
namd_netlrts-linux-x86_64	8m 57s
netlrts-darwin-x86_64	39m 58s
netlrts-linux-i386	17m 25s
netlrts-linux-x86_64	15m 47s
netlrts-linux-x86_64_smp	26m 11s
netlrts-linux-x86_64_syncft	10m 57s
netlrts-win-x86_64_mingw64	18m 9s
shellcheck	4s
spack_ubuntu-latest	34m 22s
spack_macos-latest	27m 5s
ucx-linux-x86_64_openpmix	17m 15s
verbs-linux-x86_64_smp	16m 0s
	6h 5m 1s

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