[S] Change in coreboot[master]: soc/amd: Add AMDFW_CONTAINS_FIRST_BIOS_BLOCK config item

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Matt DeVillier, Julius Werner, Fred Reitberger, Felix Held.

Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68229 )

Change subject: soc/amd: Add AMDFW_CONTAINS_FIRST_BIOS_BLOCK config item
......................................................................

Patch Set 6:

(1 comment)

File src/soc/amd/mendocino/Kconfig:

https://review.coreboot.org/c/coreboot/+/68229/comment/d239d429_74bb542d 
PS2, Line 367: y
> I am not finding an equivalent one yet, but I dont have all the historical context. […]

Thanks to Raul for pointing out that there is an equivalent Kconfig `RESET_VECTOR_IN_RAM`. This is used by AMD SoCs where PSP loads the bootblock in preinitialized DRAM before releasing x86 out of reset.