[coreboot-gerrit] Change in coreboot[master]: arch/riscv: Add error detection for supports_extension

[Xiang Wang (Code Review)]

Xiang Wang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37130 )

Change subject: arch/riscv: Add error detection for supports_extension
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Patch Set 3:

Have anything update?