Datetime from gps rpi#2135
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bdbcat merged 2 commits intoOpenCPN:masterfrom Feb 24, 2021
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There is an option (hidden) for setting the system time from GPS already available in O. However to prevent loading bullshit times from some devices it has a build in limit of 2 hours difference between system hardware clock and GPS time.
This makes it not useable for systems without system hardware clock (eg Raspberry), where this function is most needed.
This patch adds a check for an hw clock onboard, and if not forget about the 2 hours limit.
It is linux only, but afaik all small non clock boards are running linux.