Remove old HAL components and refactored GPS-related code (#583)

- Added generic GPS/GNSS support with device detection, configuration, and persistent settings.
- Improved device and module lifecycle management.
- Added flexible filesystem locking support for displays and storage.
- Improved display-idle and keyboard backlight handling.
- Updated architecture, driver, module, testing, and licensing documentation.
- Removed old HAL device and related code.

Drivers/gps-generic-module/include/gps_generic/gps_generic_module.h

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern struct Module gps_generic_module;
+
+#ifdef __cplusplus
+}
+#endif