[dv] Add option to ignore cosim log to testlist

The riscv_csr_test does not use cosim but was failing due to lack of a
cosim log. This option skips the stage of pass/fail determination that
looks for that log.

dv/uvm/core_ibex/compare.py

@@ -117,7 +117,7 @@ def compare_test_run(test: TestEntry,
             '[FAILED]: Log processing failed: {}'.format(e)
         return TestRunResult(**kv_data)
 
-    if en_cosim:
+    if en_cosim and not test.get('ignore_cosim_log', False):
         # Process the cosim logfile to check for errors
         kv_data['cosim_trace'] = cosim_trace
         kv_data['cosim_trace_csv'] = cosim_trace + '.csv'

dv/uvm/core_ibex/riscv_dv_extension/testlist.yaml

@@ -508,6 +508,7 @@
   sim_opts: >
     +disable_cosim=1
   no_post_compare: true
+  ignore_cosim_log: true
 
 - test: riscv_unaligned_load_store_test
   description: >