systemd by default sets the system time at boot to the date of its NEWS
file. It provides the option to change that at build time, and some
projects need to come up at a particular date if no RTC is present.
Provide the option to set the time at boot to the epoch instead of the
date of the NEWS file.
Signed-off-by: Dan McGregor <dan.mcgregor@usask.ca> Signed-off-by: Ross Burton <ross.burton@intel.com>
