package/sysklogd: bump to version 2.1.2

package/sysklogd: bump to version 2.1.2

- fixes: sysklogd 1.6 klogd with newer glibcs: kernel messages are
  logged to user facility
- sysklogd removed klogd, functionality has been moved to syslogd
- now supports config fragments in /etc/syslog.d
- disabled sysklogd logger to not interfere with other loggers
- license has changed from GPL-2.0+ to BSD-3-Clause

Signed-off-by: Andreas Hilse <andreas.hilse@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>