ASCI: Add two new transaction types for VGCS and VBS

- TRANS_GCC is used for the voice group call.
- TRANS_BCC for the voice broadcast call.

This also includes the use counters for transaction and CM service
request usage:
- MSC_A_USE_GCC
- MSC_A_USE_BCC
- MSC_A_USE_CM_SERVICE_BCC
- MSC_A_USE_CM_SERVICE_GCC

Change-Id: Iddd11f813582ac2ac2bdee91cc3a525986deb514
Related: OS#4854
diff --git a/src/libmsc/transaction.c b/src/libmsc/transaction.c
index 21f0b8b..9fc4682 100644
--- a/src/libmsc/transaction.c
+++ b/src/libmsc/transaction.c
@@ -351,6 +351,8 @@
 }
 
 const struct value_string trans_type_names[] = {
+	{ TRANS_GCC, "GCC" },
+	{ TRANS_BCC, "BCC" },
 	{ TRANS_CC, "CC" },
 	{ TRANS_SMS, "SMS" },
 	{ TRANS_USSD, "NCSS" },
@@ -361,6 +363,10 @@
 uint8_t trans_type_to_gsm48_proto(enum trans_type type)
 {
 	switch (type) {
+	case TRANS_GCC:
+		return GSM48_PDISC_GROUP_CC;
+	case TRANS_BCC:
+		return GSM48_PDISC_BCAST_CC;
 	case TRANS_CC:
 	case TRANS_SILENT_CALL:
 		return GSM48_PDISC_CC;