RDMA/bnxt_en: Enable RDMA driver support for 57500 chip

Re-enabling RDMA driver support on 57500 chips. Removing the forced error
code for 57500 chip.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c

@@ -43,9 +43,6 @@ static int bnxt_register_dev(struct bnxt_en_dev *edev, int ulp_id,
 	if (ulp_id == BNXT_ROCE_ULP) {
 		unsigned int max_stat_ctxs;
 
-		if (bp->flags & BNXT_FLAG_CHIP_P5)
-			return -EOPNOTSUPP;
-
 		max_stat_ctxs = bnxt_get_max_func_stat_ctxs(bp);
 		if (max_stat_ctxs <= BNXT_MIN_ROCE_STAT_CTXS ||
 		    bp->cp_nr_rings == max_stat_ctxs)