LU-10330 tests: fix version check in sanity.sh test_101g

LU-10330 tests: fix version check in sanity.sh test_101g

The 16MB RPC patch is available in 2.7.x, so one more version
check needs to be added to 2.7.17 or later to avoid interop
failure.

Test-Parameters: trivial

Change-Id: I6eeefbf74017aaeeb8998accd6da04d8de75606c
Signed-off-by: Emoly Liu <emoly.liu@intel.com>
Reviewed-on: https://review.whamcloud.com/30389
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Jian Yu <jian.yu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>