feat(pycard10): Add flag to set card10 system time

Add a --set-time flag to allow setting card10 system time via the
USB-Serial connection.  Use like this:

    ./tools/pycard10.py --set-time

Signed-off-by: Rahix <rahix@rahix.de>
2 jobs for !342 with rahix/pycard10-set-time in 1 minute and 44 seconds (queued for 4 seconds)
merge request