port-amd64/57428: x86 should be able to use EFI RTC automagically

[campbell+netbsd%mumble.net@localhost]

>Number:         57428
>Category:       port-amd64
>Synopsis:       x86 should be able to use EFI RTC automagically
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon May 22 16:20:00 +0000 2023
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The NetBSD Efibootdation
>Environment:
>Description:
As far as I can tell, on x86, NetBSD doesn't ever set or examine the EFI real-time clock with EFI runtime services.  It probably should.
>How-To-Repeat:
code inspection
>Fix:
Yes, please!