ice: Mention CEE DCBX in code comment

From the function ice_parse_org_tlv, CEE DCBX TLV is also supported.
So update the comment. Or else, it is confusing.
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_dcb.c

@@ -569,7 +569,7 @@ ice_parse_cee_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
  * @tlv: Organization specific TLV
  * @dcbcfg: Local store to update ETS REC data
  *
- * Currently only IEEE 802.1Qaz TLV is supported, all others
+ * Currently IEEE 802.1Qaz and CEE DCBX TLV are supported, others
  * will be returned
  */
 static void
@@ -588,7 +588,7 @@ ice_parse_org_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
 		ice_parse_cee_tlv(tlv, dcbcfg);
 		break;
 	default:
-		break;
+		break; /* Other OUIs not supported */
 	}
 }