Change in coreboot[master]: mb/system76/oryp6: Convert to variant setup

[Tim Crawford (Code Review)]

Tim Crawford has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57786 )

Change subject: mb/system76/oryp6: Convert to variant setup
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Patch Set 4:

(1 comment)

File src/mainboard/system76/oryp6/Kconfig:

https://review.coreboot.org/c/coreboot/+/57786/comment/128ac107_1253f89c 
PS4, Line 26: 	select TPM_RDRESP_NEED_DELAY
> This doesn't look like part of the variants shuffling to me, where is this coming from?

We have it selected downstream for both boards. If it's a problem, I can put it in the oryp7 change instead.

We've had problems with this chip on a couple of other boards, so we'd rather have a delay than a potentially not working TPM chip.