[coreboot-gerrit] Change in coreboot[master]: soc/intel/common: Add romstage common stage file

[Bernardo Perez Priego (Code Review)]

Attention is currently required from: Nico Huber, Furquan Shaikh, Patrick Rudolph, Tim Wawrzynczak, Angel Pons, Michael Niewöhner, Aaron Durbin.
Bernardo Perez Priego has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37628 )

Change subject: soc/intel/common: Add romstage common stage file
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Patch Set 21:

(1 comment)

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

https://review.coreboot.org/c/coreboot/+/37628/comment/6ddcd848_75c1c1a3 
PS18, Line 174: romstage_cmn_pch_init
> this will be impossible to debug. […]

Ack