libcamera: controls: Fix rogue whitespace

Remove an extra whitespace in the declaration of a dictionary entry in
gen-controls.py script.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

utils/gen-controls.py

@@ -77,7 +77,7 @@ ${description}
             num_entries = 0
             for entry in enum:
                 value_info = {
-                    'name' : name,
+                    'name': name,
                     'value': entry['name'],
                     'description': format_description(entry['description']),
                 }