Allow multiple bts objects in PCU

This patch doesn't really tests whether osmo-pcu can work on a multi-bts
environment, but it prepares the data structures to be able to do so at
any later point in time.

Change-Id: I6b10913f46c19d438c4e250a436a7446694b725a
diff --git a/tests/edge/EdgeTest.cpp b/tests/edge/EdgeTest.cpp
index d67646e..6161e0e 100644
--- a/tests/edge/EdgeTest.cpp
+++ b/tests/edge/EdgeTest.cpp
@@ -1252,7 +1252,7 @@
 
 static void uplink_header_type2_test(void)
 {
-	struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu);
+	struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0);
 	int ts_no = 7;
 	uint32_t fn = 2654218;
 	uint16_t qta = 31;
@@ -1370,7 +1370,7 @@
 
 void uplink_header_type1_test(void)
 {
-	struct gprs_rlcmac_bts  *bts = bts_alloc(the_pcu);
+	struct gprs_rlcmac_bts  *bts = bts_alloc(the_pcu, 0);
 	int ts_no = 7;
 	uint32_t fn = 2654218;
 	uint16_t qta = 31;