btl/uct: fix default exclusivity (was too high)#13031

hjelmn merged 1 commit intoopen-mpi:mainopen-mpi/ompi:mainfrom

hjelmn:btl_uct_should_have_exclusivity_strictly_less_than_sm_because_that_is_what_was_always_intendedhjelmn/ompi:btl_uct_should_have_exclusivity_strictly_less_than_sm_because_that_is_what_was_always_intendedCopy head branch name to clipboard