[XL] Change in libgfxinit[main]: gma tgl: Add connector programming

[Nico Huber (Code Review)]

Attention is currently required from: Angel Pons, Dinesh Gehlot, Nick Vaccaro, Tarun Tuli, Tim Wawrzynczak.

Nico Huber has uploaded a new patch set (#40) to the change originally created by Tim Wawrzynczak. ( https://review.coreboot.org/c/libgfxinit/+/67499?usp=email )

Change subject: gma tgl: Add connector programming
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gma tgl: Add connector programming

This patch adds support for enabling displays on both combo PHY ports
and Type-C ports over DP-Alt mode.

Verified eDP, HDMI (not Type-C),  and DP Alt mode on google/delbin.

Change-Id: I908e8bef8451d21eecde9ce6defddc2b3df7f738
Signed-off-by: Tim Wawrzynczak 
Signed-off-by: Nico Huber 
---
M common/hw-gfx-gma-config.ads.template
M common/hw-gfx-gma.adb
M common/hw-gfx-gma.ads
M common/tigerlake/Makefile.inc
A common/tigerlake/hw-gfx-gma-connectors-combo_phy.adb
A common/tigerlake/hw-gfx-gma-connectors-combo_phy.ads
A common/tigerlake/hw-gfx-gma-connectors-tc.adb
A common/tigerlake/hw-gfx-gma-connectors-tc.ads
M common/tigerlake/hw-gfx-gma-connectors.adb
M common/tigerlake/hw-gfx-gma-power_and_clocks.adb
10 files changed, 1,721 insertions(+), 27 deletions(-)

git pull ssh://review.coreboot.org:29418/libgfxinit refs/changes/99/67499/40