[RIC-431] Add AdditionalCellInformation proto

Change-Id: I07bf91508542ce986f3292374a3ada1310bb4df5
Signed-off-by: Idan Shalom <idan.shalom@intl.att.com>
diff --git a/entities/gnb.proto b/entities/gnb.proto
index 6b834d6..612851a 100644
--- a/entities/gnb.proto
+++ b/entities/gnb.proto
@@ -24,6 +24,7 @@
 syntax = "proto3";
 package entities;
 import "ran_function.proto";
+import "additional_cell_information.proto";
 
 
 message Gnb{
@@ -58,6 +59,7 @@
 		TddInfo tdd  = 2;
 	}
 	ChoiceNRMode choice_nr_mode = 7;
+	AdditionalCellInformation additional_cell_information = 8;
 }
 
 message Nr{