[coreboot-gerrit] Change in coreboot[master]: payloads: Update GRUB2 stable version from 2.04 to 2.06

[Paul Menzel (Code Review)]

Attention is currently required from: Martin L Roth, Stefan Reinauer.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55343 )

Change subject: payloads: Update GRUB2 stable version from 2.04 to 2.06
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Patch Set 1:

(1 comment)

Patchset:

PS1: 
Nico and Kyösti analyzed the issue in #[e-mail]. The bug seems to be in GRUB’s mkimage. mkimage and the linking seem to disagree if the entry point should be at a fixed location. Unfortunately, the code is supposedly hard to read.