abis: Activate the newest available installed on the BTS

Select thew newest software from all available file versions.
diff --git a/openbsc/tests/abis/abis_test.ok b/openbsc/tests/abis/abis_test.ok
index 6401988..ba1da33 100644
--- a/openbsc/tests/abis/abis_test.ok
+++ b/openbsc/tests/abis/abis_test.ok
@@ -1,9 +1,17 @@
 Start: 0 len: 13
-file_id:  01 02 03
-file_ver: 03 04 05
-Start: 13 len: 26
-file_id:  01 02 03
-file_ver: 03 04 05
-Start: 26 len: 13
-file_id:  09 07 05
-file_ver: 06 07 08
+file_id:  01 02 03 
+file_ver: 03 04 05 
+Start: 0 len: 13
+file_id:  01 02 03 
+file_ver: 03 04 05 
+Start: 13 len: 13
+file_id:  09 07 05 
+file_ver: 06 07 08 
+Start: 51 len: 26
+file_id:  31 36 38 64 34 37 32 00 
+file_ver: 76 32 30 30 62 31 34 33 64 30 00 
+Start: 77 len: 26
+file_id:  31 36 38 64 34 37 32 00 
+file_ver: 76 32 30 30 62 31 34 33 64 31 00 
+SELECTED: 1
+SELECTED: 0