RDMA/bnxt_re: Refactor bnxt_qplib_create_qp() function

RDMA/bnxt_re: Refactor bnxt_qplib_create_qp() function

Inside bnxt_qplib_create_qp(), driver currently is doing
a lot of things like allocating HWQ memory for SQ/RQ/ORRQ/IRRQ,
initializing few of qplib_qp fields etc.

Refactored the code such that all memory allocation for HWQs
have been moved to bnxt_re_init_qp_attr() function and inside
bnxt_qplib_create_qp() function just initialize the request
structure and issue the HWRM command to firmware.

Introduced couple of new functions bnxt_re_setup_qp_hwqs() and
bnxt_re_setup_qp_swqs() moved the hwq and swq memory allocation
logic there.

Link: https://patch.msgid.link/r/20260302110036.36387-3-sriharsha.basavapatna@broadcom.com
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>