systemd: update to v196

Systemd-analyze has 2 reverts to keep it working with the python currently present in OE-core

The LGPLv2.1 was update to the latest text from gnu.org, so match checksum to that.

Runtime tested on beaglebone/angstrom and soekris-net6501/angstrom

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>