This series introduces commen defines for PTP event messages. Driver internal defines are removed and some uses of magic numbers are replaced by the new defines.
Changes v2 --> v3 ------------------ - extend commit description for ptp_ines (Jacob Keller) Changes v1 --> v2 ------------------ - use defines instead of an enum (Richard Cochran) - no changes necessary for dp63640 - add cover message (Vladimir Oltean)
