Aaron, Julius; there is a bit of dilemma with car.ld.

1) We need consistent layout across PRE_RAM stages
2) We want RO bootblock, unaware of (future) RW romstage requirements
3) I don't like the semi-random size reserve, like done here for usbdebug

Any ideas how to from improve this? Looking at CONFIG_COMMONLIB_STORAGE and CONFIG_PAGING_IN_CACHE_AS_RAM, I am not sure if the fixed locations are always maintained properly. There is some strong assumption at least, that bootblock and romstage are built with same set of Kconfig options set.

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Gerrit-Project: coreboot
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Gerrit-Change-Id: Ib49fca781e55619179aa8888e2d859560e050876
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