net: ethtool: populate the default HDS params in the core (bnxt)

JIRA: https://issues.redhat.com/browse/RHEL-106550

Conflicts: Partial backport. The core parts were already backported
as a part of the ethtool core update, commit 0c943a2.

commit 928459b
Author: Jakub Kicinski <kuba@kernel.org>
Date:   Sat Jan 18 18:05:15 2025 -0800

    net: ethtool: populate the default HDS params in the core

    The core has the current HDS config, it can pre-populate the values
    for the drivers. While at it, remove the zero-setting in netdevsim.
    Zero are the default values since the config is zalloc'ed.

    Reviewed-by: Michael Chan <michael.chan@broadcom.com>
    Link: https://patch.msgid.link/20250119020518.1962249-6-kuba@kernel.org
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>

Author: michich

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

@@ -836,7 +836,6 @@ static void bnxt_get_ringparam(struct net_device *dev,
 	ering->rx_jumbo_pending = bp->rx_agg_ring_size;
 	ering->tx_pending = bp->tx_ring_size;
 
-	kernel_ering->hds_thresh = dev->cfg->hds_thresh;
 	kernel_ering->hds_thresh_max = BNXT_HDS_THRESHOLD_MAX;
 }