LU-11434 tests: add version check conf-sanity 109a/b

LU-11434 tests: add version check conf-sanity 109a/b

conf-sanity test 109a and 109b were added to Lustre with tag 2.10.59.
Thus, we need to check that the server is 2.10.59 or later before
running conf-sanity test 109a and 109b.

Test-Parameters: trivial envdefinitions=ONLY=109 serverjob=lustre-b2_10 serverbuildno=170 testlist=conf-sanity
Test-Parameters: envdefinitions=ONLY=109 testlist=conf-sanity
Signed-off-by: James Nunez <jnunez@whamcloud.com>
Change-Id: I4a653d1374973f00d283af885183621ec14628e1
Reviewed-on: https://review.whamcloud.com/33954
Reviewed-by: Wei Liu <sarah@whamcloud.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>