Add flow_ctrl_get and flow_ctrl_set dev_ops.
Uses the bnxt_set_hwrm_link_config() HWRM API added in earlier patch.
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Stephen Hurd <stephen.hurd@broadcom.com>
Reviewed-by: David Christensen <david.christensen@broadcom.com>