RDMA/bnxt_re: Query function capabilities from firmware

Query Function capabilities to enable advanced features.

Link: https://lore.kernel.org/r/1686679943-17117-5-git-send-email-selvin.xavier@broadcom.com


Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>