irdma(4): Upgrade driver to 1.1.5-k

irdma(4): Upgrade driver to 1.1.5-k

This is to upgrade current irdma driver version (in support of RDMA on
Intel(R) Ethernet Controller E810) to 1.1.5-k

change summary:
- refactor defines for hardware registers
- rereg_mr verb added in libirdma
- fix print warning during compilation
- rt_ros2priority macro fix
- irdma.4 validated with mandoc
- fixing nd6_resolve usage
- added libirdma_query_device
- sysctl for irdma version
- aeq_alloc_db fix
- dwork_flush protected with qp refcount
- PFC fixes

Signed-off-by: Eric Joyner <erj@FreeBSD.org>
Reviewed by:	erj@
Relnotes:	yes
Sponsored by:	Intel Corporation
Differential Revision:	https://reviews.freebsd.org/D36944

(cherry picked from commit 777e472cd86b9394d07bf96c19dbafc2e1ff4fdc)