[coreboot-gerrit] Change in coreboot[master]: Remove the non-working bayou payload; clean up payloads

[Paul Menzel (Code Review)]

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37424 )

Change subject: Remove the non-working bayou payload; clean up payloads
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Patch Set 2:

Partly duplicate of https://review.coreboot.org/c/coreboot/+/34565 ?

Additionally, change I034c92f52995ff6c69121d482d04dc8ab596b82c ported it to coreboot v4, but there is a build system problem holding it up from being merged.