Change in coreboot[master]: security/intel/txt: Add weak function to skip TXT lockdown

[Arthur Heymans (Code Review)]

Attention is currently required from: Patrick Rudolph, Jonathan Zhang, Rocky Phagura, Angel Pons.
Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50236 )

Change subject: security/intel/txt: Add weak function to skip TXT lockdown
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Patch Set 1:

(2 comments)

File src/security/intel/txt/ramstage.c:

https://review.coreboot.org/c/coreboot/+/50236/comment/2da7cca2_de3cc362 
PS1, Line 301: skip_intel_txt
> agree.

Done

File src/security/intel/txt/txt.h:

https://review.coreboot.org/c/coreboot/+/50236/comment/20f07fab_33973f63 
PS1, Line 29: /* Allow platform override to skip TXT init, e.g. required for RAS error injection. */
> skip TXT lockdown

Done