systemc: Add an elaboration_done method to sc_simcontext.

The TLM headers rely on this non-standard function.

Change-Id: Iaedec35f1f363dcf3e1fcdb58a74eb2cdc05ddc0
Reviewed-on: https://gem5-review.googlesource.com/c/15061
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>

src/systemc/core/sc_simcontext.cc

@@ -77,6 +77,12 @@ sc_simcontext::next_object()
         return nullptr;
 }
 
+bool
+sc_simcontext::elaboration_done()
+{
+    return ::sc_gem5::scheduler.elaborationDone();
+}
+
 sc_simcontext *
 sc_get_curr_simcontext()
 {

src/systemc/ext/core/sc_simcontext.hh

@@ -44,6 +44,9 @@ class sc_simcontext
     sc_curr_proc_handle get_curr_proc_info();
     sc_object *first_object();
     sc_object *next_object();
+
+    // Used by TLM.
+    bool elaboration_done();
 };
 
 sc_simcontext *sc_get_curr_simcontext();