systemc: Teach verify.py to ignore two types of errors.

Change-Id: I9e61a034d7f71bc9b1f28cb976ae8b17d6f37612
Reviewed-on: https://gem5-review.googlesource.com/c/12465
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>

src/systemc/tests/verify.py

@@ -225,6 +225,8 @@ class LogChecker(Checker):
         warning_filt(540),
         warning_filt(569),
         warning_filt(571),
+        error_filt(514),
+        error_filt(515),
         error_filt(525),
         error_filt(541),
         error_filt(542),