[S] Change in coreboot[master]: soc/intel/meteorlake: Replace assert with error message

[Eric Lai (Code Review)]

Attention is currently required from: Tarun Tuli, Kapil Porwal.

Eric Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74370 )

Change subject: soc/intel/meteorlake: Replace assert with error message
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Patch Set 2:

(1 comment)

File src/soc/intel/meteorlake/fsp_params.c:

https://review.coreboot.org/c/coreboot/+/74370/comment/032d64d7_2ee41a62 
PS2, Line 568: 	if (!s_cfg->CnviMode && s_cfg->CnviWifiCore)
IIRC why we do this before is this will cause FSP/kernel panic. So we put assert at first time. But not sure about MTL FSP.