NAS_Templates: add templates for EPS_Mobile_ID_IMSI/IMEI/GUTI

We do have ts_NAS_MobileId_IMSI/IMEI/GUTI, those can not be used when
crafting EPS messages. However, we can use them to craft
ts_EPS_MobileId_IMSI/IMEI/GUTI templates.

Related: OS#5760
Change-Id: I1adf8c652530904a8e9bd988e78c995c75bb49ab
diff --git a/library/NAS_Templates.ttcn b/library/NAS_Templates.ttcn
index bbe7237..97469d9 100644
--- a/library/NAS_Templates.ttcn
+++ b/library/NAS_Templates.ttcn
@@ -149,6 +149,22 @@
 	}
 }
 
+/* 9.9.3.12 EPS mobile identity */
+template (value) EPS_MobileIdentityLV
+ts_EPS_MobileId_IMSI(hexstring imsi) := {
+	 ePS_MobileIdentity := ts_NAS_MobileId_IMSI(imsi)
+}
+
+template (value) EPS_MobileIdentityLV
+ts_EPS_MobileId_IMEI(hexstring imei) := {
+	 ePS_MobileIdentity := ts_NAS_MobileId_IMEI(imei)
+}
+
+template (value) EPS_MobileIdentityLV
+ts_EPS_MobileId_GUTI(hexstring mcc_mnc, OCT2 mmegi, OCT1 mmec, OCT4 tmsi) := {
+	 ePS_MobileIdentity := ts_NAS_MobileId_GUTI(mcc_mnc, mmegi, mmec, tmsi)
+}
+
 template (value) PDU_NAS_EPS
 ts_NAS_EMM_SecurityProtected(BIT4 sec_hdr_t, integer seq_nr, octetstring inner_nas) := {
 	protocolDiscriminator := c_EPS_NAS_PD_EMM,