sys/ztimer: compat for xtimer_mutex_lock_timeout
sys/ztimer: compat for xtimer_mutex_lock_timeout

RIOT-OS/RIOT,jasonatran/RIOT,authmillenon/RIOT,kaspar030/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,kYc0o/RIOT,jasonatran/RIOT,authmillenon/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,ant9000/RIOT,authmillenon/RIOT,kYc0o/RIOT,kYc0o/RIOT,miri64/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,authmillenon/RIOT,miri64/RIOT,OlegHahm/RIOT,kYc0o/RIOT,miri64/RIOT,ant9000/RIOT,OlegHahm/RIOT,kaspar030/RIOT,OTAkeys/RIOT,jasonatran/RIOT,miri64/RIOT,miri64/RIOT,OTAkeys/RIOT,kYc0o/RIOT,authmillenon/RIOT,ant9000/RIOT,kaspar030/RIOT,kaspar030/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,kaspar030/RIOT,ant9000/RIOT,ant9000/RIOT,jasonatran/RIOT,RIOT-OS/RIOT