[M] Change in coreboot[master]: soc/intel/cse_lite: Back up PSR data during CSE FW downgrade

[Sridhar Siricilla (Code Review)]

Attention is currently required from: Anil Kumar K, Subrata Banik, Paul Menzel, Himanshu Sahdev.

Sridhar Siricilla has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74577 )

Change subject: soc/intel/cse_lite: Back up PSR data during CSE FW downgrade
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Patch Set 30:

(2 comments)

File src/soc/intel/common/block/cse/cse_lite.c:

https://review.coreboot.org/c/coreboot/+/74577/comment/767dc227_0f6ad84a 
PS29, Line 462: if (cse_data_clear_request(cse_bp_info) != CB_SUCCESS)
> yes. during data failure error, we do not care about backing up of the PSR data .

Ack

File src/soc/intel/common/block/include/intelblocks/cse.h:

https://review.coreboot.org/c/coreboot/+/74577/comment/f50f1f00_8d9fac7e 
PS17, Line 84: #define PSR_BACKUP_STATUS_CMOS_OFFSET 161
> i found this by adding prints in cmos_write to check the list of addresses being accessed. […]

It is better the CMOS macro definition is moved a dedicated header file cmos.h if there is no such file already..