[coreboot-gerrit] Change in coreboot[master]: soc/intel/tigerlake: Reorganize memory initialization support

[EricR Lai (Code Review)]

EricR Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39865 )

Change subject: soc/intel/tigerlake: Reorganize memory initialization support
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Patch Set 3:

How about change all switch case to a marco? Like original code for DQS. All variable can just replace  channel number.