Ensure system clock was set
Ensure system clock was set

Single-Board Computer and embedded systems might have a clock that is extremely out of sync with reality.
Adding this target ensures docker is only started after a somewhat realistic clock was set.
More information about the time-set.target can be found here: https://www.freedesktop.org/software/systemd/man/systemd.special.html#time-sync.target

Signed-off-by: Michael Kuehn <5f726662e7ca541c0aec63efdec81c7c2711727a@kuehn.io>

moby/moby,nalind/docker,yosifkit/docker,mahak/docker,bearstech/moby,Mokolea/docker,flavio/docker,moul/docker,bearstech/moby,nalind/docker,nawawi/docker,yosifkit/docker,moul/docker,flavio/docker,bearstech/moby,nawawi/docker,jimjag/docker,Ramzec/docker,konstruktoid/docker-upstream,thaJeztah/docker,trebonian/docker,moul/docker,cpuguy83/docker,thaJeztah/docker,vdemeester/docker,cpuguy83/docker,flavio/docker,Ramzec/docker,Ramzec/docker,nawawi/docker,nalind/docker,Mokolea/docker,yosifkit/docker,konstruktoid/docker-upstream,jimjag/docker,gnailuy/docker,moby/moby,mahak/docker,gnailuy/docker,Ramzec/docker,trebonian/docker,vdemeester/docker,cpuguy83/docker,yosifkit/docker,nawawi/docker,vdemeester/docker,moby/moby,gnailuy/docker,cpuguy83/docker,konstruktoid/docker-upstream,jimjag/docker,trebonian/docker,trebonian/docker,moul/docker,flavio/docker,thaJeztah/docker,Mokolea/docker,moby/moby,mahak/docker,gnailuy/docker,mahak/docker,Mokolea/docker,jimjag/docker,konstruktoid/docker-upstream,nalind/docker,thaJeztah/docker,bearstech/moby