Change in coreboot[master]: mainboard/google/coral: Add USB2 phy setting override for Astronaut

[Ren Kuo (Code Review)]

Ren Kuo has created a revert of this change. ( https://review.coreboot.org/c/coreboot/+/22135 )

Change subject: mainboard/google/coral: Add USB2 phy setting override for Astronaut
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