GSUP_Types: add message type for osmo-epdg CEAI interface

The CEIA interface is an interface between osmo-epdg and
strongswan.
It is used by the osmo-epdg to synchronize state.

Related: OS#6091
Related: libosmocore.git Change-Id I6f7c20340c99f94b1326a8a7dc99c86cf6a0dbc3
Change-Id: I3da4f731597eee3736a9aab513f5257a78e8d8eb
1 file changed