[coreboot-gerrit] Change in coreboot[master]: cpu/x86/smm: Add log_level that can be overridden for SMM log level

[Johnny Lin (Code Review)]

Attention is currently required from: Marc Jones, Patrick Rudolph, Jonathan Zhang, Rocky Phagura, Jingle Hsu, Angel Pons, Arthur Heymans, Morgan Jang.
Johnny Lin has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/49460 )

Change subject: cpu/x86/smm: Add log_level that can be overridden for SMM log level
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Patch Set 4:

(2 comments)

Patchset:

PS3:
> https://review.coreboot. […]

Thanks for your work, I rebase on top of your change CB:50767 and add a log_level variable for this purpose.

File src/cpu/x86/smm/smm_module_loaderv2.c:

https://review.coreboot.org/c/coreboot/+/49460/comment/ff298f69_00decaef 
PS2, Line 639: 		params->handler_arg = (void *) &smm_param_loglevel;
> A very ugly solution: use GNVS.

Implement on top of CB:50767