systemc: Ignore a warning in the reference test outputs.

The warning is about deprecated sc_module constructors which don't take
an sc_module_name.

Change-Id: I2ef864a5bdac93eb8104a842179ffe45a8335085
Reviewed-on: https://gem5-review.googlesource.com/12068
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/systemc/tests/verify.py

@@ -197,8 +197,9 @@ class LogChecker(Checker):
     ref_filt = merge_filts(
         r'^\nInfo: /OSCI/SystemC: Simulation stopped by user.\n',
         r'^SystemC Simulation\n',
-        warning_filt(571),
         warning_filt(540),
+        warning_filt(569),
+        warning_filt(571),
         r'^\nInfo: \(I804\) /IEEE_Std_1666/deprecated: ' +
         r'You can turn off(.*\n){7}'
     )