ci: handle checpatch warnings as errors

Fail CI if we have both errors and warnings.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

scripts/ci/check_compliance.py

@@ -213,11 +213,7 @@ class CheckPatch(ComplianceTest):
 
         except subprocess.CalledProcessError as ex:
             output = ex.output.decode("utf-8")
-            if re.search("[1-9][0-9]* errors,", output):
-                self.add_failure(output)
-            else:
-                # No errors found, but warnings. Show them.
-                self.add_info(output)
+            self.add_failure(output)
 
 
 class KconfigCheck(ComplianceTest):