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

[Brandon Breitenstein (Code Review)]

Brandon Breitenstein has uploaded a new patch set (#4) to the change originally created by Shaunak Saha. ( https://review.coreboot.org/c/coreboot/+/37870 )

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

In order for type C USB to be detected prior to loading Kernel
PMC IPC driver is needed to communicate with EC in order to
get status of the Type C ports

TEST: built and booted TGL U RVP

Signed-off-by: Shaunak Saha 
Change-Id: I45c3fe9d4a2ec2f2f51b78cca2bd7e623540c00e
---
M src/soc/intel/tigerlake/Makefile.inc
A src/soc/intel/tigerlake/early_tcss.c
2 files changed, 123 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/70/37870/4