Change in coreboot[master]: soc/intel/tigerlake: Add code for early tcss

[Brandon Breitenstein (Code Review)]

Brandon Breitenstein has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37870 )

Change subject: soc/intel/tigerlake: Add code for early tcss
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Patch Set 27:

(2 comments)

https://review.coreboot.org/c/coreboot/+/37870/26/src/soc/intel/tigerlake/ea... 
File src/soc/intel/tigerlake/early_tcss.c:

https://review.coreboot.org/c/coreboot/+/37870/26/src/soc/intel/tigerlake/ea... 
PS26, Line 32: cmd.ipc_cmd.subcmd = 0;
> these are not needed (all 3 commands), already initialized

I'd rather explicitly set the subcmd just to be sure. I will change this to a PMC_IPC_USBC_SUBCMD_ID macro

https://review.coreboot.org/c/coreboot/+/37870/26/src/soc/intel/tigerlake/ea... 
PS26, Line 86: tcss_req[1] |= (1 << 4);
> ?

this should be a Macro...this is setting mode to DP