- Re-enable LTO on aarch64

- Set ProtectClock to false or gpsd will not start

- Don't use gpsd version in patches (will break with every update)
% harden_gpsd.service.patch
% harden_gpsdctl@.service.patch

- Update to version 3.23.1
* Improve ubx cycle detection.
* Add quirks for Jackson Labs nonstandard NMEA
* Change STATUS_NO_FIX to STATUS_UNK to avoid confusion with fix
mode.
* Change STATUS_FIX to STATUS_GPS to avoid confusion with fix
mode.
* Change STATUS_DGPS_FIX to STATUS_DGPS to avoid confusion with
fix mode.
* Split SOURCE_ACM from SOURCE_USB. ACM has no speeds.
* Add speeds 1 mbps, 1.152 mbps, 1.5 mbps, and higher. When libc
supports them.
* Improve autobaud.
* Add new u-blox M10 messages.
* Fix u-blox M6, M7 initialization issues.
* Various ubxtool and gpxlogger updates.
* Add mtk3301_speed_switcher()
* No API, ABI changes.
* Fallback to "python3" if "python" not found.

- Added hardening to systemd service(s) (bsc#1181400). Added patch(es):
* harden_gpsd.service.patch