bnxt_en: Support for RoCE resources dynamically shared within VFs.

bnxt_en: Support for RoCE resources dynamically shared within VFs.

Add support for dynamic RoCE SRIOV resource configuration.  Instead of
statically dividing the RoCE resources by the number of VFs, provide
the maximum resources and let the FW dynamically dsitribute to the VFs
on the fly.

Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Anantha Prabhu <anantha.prabhu@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250917040839.1924698-8-michael.chan@broadcom.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>