meson: Autodetect whether autosuspend rules are provided by udev

Upstream systemd/udev is pulling our autosuspend hwdb, so if udev is new
enough, then there is no need to install the file. As such, add
auto-detection logic for the scenario.

This also changes the name of the option and the type to "feature".

meson_options.txt

@@ -6,10 +6,10 @@ option('introspection',
        description: 'Build GObject Introspection repository',
        type: 'boolean',
        value: true)
-option('udev_rules',
-       description: 'Whether to create a udev rules file',
-       type: 'boolean',
-       value: true)
+option('udev_hwdb',
+       description: 'Whether to create a udev hwdb',
+       type: 'feature',
+       value: 'auto')
 option('udev_hwdb_dir',
        description: 'Installation path for udev hwdb',
        type: 'string',