LU-12405 lnet: Oracle OFED extensions default to on

Oracle UEK kernel ships with OFED extensions on by default.
Enable building if Oracle OFED extensions are not suppressed.

Introduce and use kib_fmr_pool_map wrapper for ib_fmr_pool_map_phys

Test-Parameters: trivial
Cray-bug-id: LUS-7440
Signed-off-by: Shaun Tancheff <stancheff@cray.com>
Change-Id: I2b15293454ce2e4f55ca0a47117c8072326e2d3a
Reviewed-on: https://review.whamcloud.com/35292
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>