qcacmn: Enable GRO for TCP packets

Add support for GRO functionality for TCP packets.
- Pass GRO config to DP layer as a part of dp_update_config_parameters
- Add API to read the number of active RX contexts from DP layer
  cdp_get_num_rx_contexts
- Fill GRO info into skb->cb from rx_tlv during dp_rx_process

CRs-Fixed: 2346995
Change-Id: I1c143d8ce2c7522ba2c76142fb6cc82193df5608

wlan_cfg/wlan_cfg.c

@@ -721,6 +721,11 @@ int wlan_cfg_get_num_mac_rings(struct wlan_cfg_dp_pdev_ctxt *cfg)
 	return  cfg->num_mac_rings;
 }
 
+bool wlan_cfg_is_gro_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return  cfg->gro_enabled;
+}
+
 bool wlan_cfg_is_lro_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
 {
 	return  cfg->lro_enabled;