Add initial support for Packet Uplink Ack/nack EGPRS Struct

Some stuff like EGPRS Ack/Nack description is still not implemented, but
it's enouh for now to be able to match against this kind of ACK blocks.

Change-Id: I8066fba0e71911f0c6344c1540a501f1853daa7f
diff --git a/library/RLCMAC_CSN1_Templates.ttcn b/library/RLCMAC_CSN1_Templates.ttcn
index 772df13..eebda7f 100644
--- a/library/RLCMAC_CSN1_Templates.ttcn
+++ b/library/RLCMAC_CSN1_Templates.ttcn
@@ -217,4 +217,32 @@
 		multi_block_alloc := omit
 	};
 
+	template UlAckNackGprs tr_UlAckNackGprs(template GprsTlli tlli := *) := {
+		ch_coding_cmd := ?,
+		ack_nack_desc := ?,
+		cont_res_tlli_present := ?,
+		cont_res_tlli := tlli,
+		pkt_ta_present := ?,
+		pkt_ta := *,
+		pwr_ctrl_present := ?,
+		pwr_ctrl := *
+	};
+
+	template UlAckNackEgprs tr_UlAckNackEgprs(template GprsTlli tlli := *) := {
+		ch_coding_cmd := ?,
+		resegment := ?,
+		preemptive_tx := ?,
+		prr_retrans_req := ?,
+		arac_retrans_req := ?,
+		cont_res_tlli_present := ?,
+		cont_res_tlli := tlli,
+		tbf_est := ?,
+		pkt_ta_present := ?,
+		pkt_ta := *,
+		pkt_ext_ta_present := ?,
+		pkt_ext_ta := *,
+		pwr_ctrl_present := ?,
+		pwr_ctrl := *
+	};
+
 } with { encode "RAW"; variant "FIELDORDER(msb)" variant "BYTEORDER(last)" };