library/RSL_Types.ttcn: t(r|)s_RSL_CHAN_RQD: make chan_nr configurable

Change-Id: I89e9286e86b09ed54eb7749d107f5d8d57b93644
diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 7aa74d2..edf056a 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -1245,10 +1245,10 @@
 		timer T := 5.0;
 		T.start;
 		alt {
-		[] RSL_CCHAN.receive(tr_RSL_UD(tr_RSL_CHAN_RQD(ra, fn, ?))) {
+		[] RSL_CCHAN.receive(tr_RSL_UD(tr_RSL_CHAN_RQD(ra, fn, t_RslChanNr_RACH(0)))) {
 			T.stop;
 			}
-		[] RSL_CCHAN.receive(tr_RSL_UD(tr_RSL_CHAN_RQD(?, ?, ?))) {
+		[] RSL_CCHAN.receive(tr_RSL_UD(tr_RSL_CHAN_RQD(?, ?, ?, ?))) {
 			Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Unexpected CHAN RQD");
 			}
 		[] RSL_CCHAN.receive { repeat; }