LCLS: add status parameter to Assignment Completed message

* add gsm0808_create_ass_compl2() with additional gsm0808_lcls_status
  parameter and make gsm0808_create_ass_compl() into trivial wrapper
  around it
* update tests accordingly

Change-Id: I547c6b8707123aa8c1ef636db88908df112d90a4
Related: OS#2487
diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index f9e9b8b..c440a79 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -153,6 +153,7 @@
 gsm0808_create_ass2;
 gsm0808_create_assignment_completed;
 gsm0808_create_ass_compl;
+gsm0808_create_ass_compl2;
 gsm0808_create_assignment_failure;
 gsm0808_create_ass_fail;
 gsm0808_create_cipher;