BSC_Tests/hopping: fix ArfcnList: use GsmArfcn instead of integer

Change-Id: I63adf2ffaaf789a97d29ec5c1b7b7a551e56769c
Related: SYS#4868, OS#4545
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index d0ecb12..03b3102 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -6845,7 +6845,7 @@
 }
 
 /* Hopping parameters per a timeslot */
-private type record length(0..64) of integer ArfcnList;
+private type record length(0..64) of GsmArfcn ArfcnList;
 private type record FHParamsTs {
 	boolean		enabled,
 	uint6_t		hsn,