RDMA/irdma: Add support to re-register a memory region

Add support for reregister MR verb API by doing a de-register
followed by a register MR with the new attributes. Reuse resources
like iwmr handle and HW stag where possible.

Signed-off-by: Sindhu Devale <sindhu.devale@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20231004151306.228-1-shiraz.saleem@intel.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>