[coreboot-gerrit] Change in coreboot[master]: soc/intel/tigerlake: allow override of clock sources

[Jes Klinke (Code Review)]

Jes Klinke has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39329 )

Change subject: soc/intel/tigerlake: allow override of clock sources
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Patch Set 1:

First attempt at upstreaming a tiny patch by Nick from the Intel private repository.