LU-11149 build: enable KMP for Mellanox build

LU-11149 build: enable KMP for Mellanox build

* We need to build Mellanox KMP to avoid error
in symbol dependency when installing lustre
* Remove all Mellanox config parameters and use
default
* We won't build with rhel6

Test-Parameters: trivial

Change-Id: I4676d01bd5f788581e1be6df98d2d787a5419c07
Signed-off-by: Minh Diep <minh.diep@intel.com>
Reviewed-on: https://review.whamcloud.com/32833
Reviewed-by: Nathaniel Clark <nclark@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/32913
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>