[S] Change in coreboot[master]: soc/intel/common: Don't hardcode ramtop offset

[Nico Huber (Code Review)]

Attention is currently required from: Sean Rhodes, Subrata Banik, Dinesh Gehlot, Lean Sheng Tan.

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74511 )

Change subject: soc/intel/common: Don't hardcode ramtop offset
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Patch Set 10: Code-Review+1

(1 comment)

File src/soc/intel/common/basecode/ramtop/ramtop.c:

https://review.coreboot.org/c/coreboot/+/74511/comment/8876ed28_b71d8ed3 
PS10, Line 19:  */
This still seems like valuable information. OTOH, we could also add a
check for it too, I guess. A related thought: What happens if there
is an option table but without the `ramtop_cmos_offset`? I guess that
we might want a better error message.