utils: gen-debug-controls: Output direction flag

The yaml definitions for controls now require a direction attribute
which is not auto generated by gen-debug-controls.py. Fix that.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

utils/gen-debug-controls.py

@@ -106,6 +106,7 @@ def main(argv):
 
         p = m.file.relative_to(root_dir)
         desc = {'type': m.type,
+                'direction': 'out',
                 'description': f'Debug control {m.name} found in {p}:{m.line}'}
         if m.size is not None:
             desc['size'] = m.size