[coreboot-gerrit] [M] Change in coreboot[main]: drivers/intel/usb4: Guard usage of RFMU with a null check

[Sean Rhodes (Code Review)]

Sean Rhodes has posted comments on this change by Sean Rhodes. ( https://review.coreboot.org/c/coreboot/+/84615?usp=email )

Change subject: drivers/intel/usb4: Guard usage of RFMU with a null check
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Set Ready For Review