Generate the build matrix from the variant files (#3870)

bin/generate_ci_matrix.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-"""Generate the CI matrix"""
+"""Generate the CI matrix."""
 
 import configparser
 import json
@@ -34,5 +34,10 @@ for subdir, dirs, files in os.walk(rootdir):
                                     outlist.append(section)
                             else:
                                 outlist.append(section)
+                    if "board_check" in config[config[c].name]:
+                        if (config[config[c].name]["board_check"] == "true") & (
+                            "check" in options
+                        ):
+                            outlist.append(section)
 
 print(json.dumps(outlist))