OSHMEM: spml ikrit: remove empty lines in helpfile
(cherry picked from commit 1f2ab43ba90734b99ffc9acf85a49ec9cf17b621)
OSHMEM: fixes 'improve mxm transport sanity check'

The code that actually checks for valid transport combos
somehow did not make it to the original commit:

74ab30b73855fdb4559ccdcdd4cae6545ac75236
(cherry picked from commit d06fb853500c3d3de4ba6521df34dcfa60bfa33c)