Attention is currently required from: Arthur Heymans, Patrick Rudolph, Christian Walter.

Angel Pons uploaded patch set #8 to the change originally created by Arthur Heymans.

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mb/prodrive/hermes: Allow using the Intel iGPU as primary

Configure the Intel iGPU as primary video adapter if enabled according
to EEPROM settings. The default is to use the ASPEED BMC as primary
video adapter, which only has a VGA output and the remote KVM output.

TODO: Figure out why iGPU video stops working after booting Linux and
doing a warm (no power cycle) reboot.

TEST=Test that DP and HDMI outputs work in pre-OS and on Linux using
     the Poseidon piggy-back board, which has two DisplayPort outputs
     and one HDMI output from a LSPCON.

Change-Id: I24d9ebc2055dc246e7f257aa2f3853b22c8af370
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
---
M src/mainboard/prodrive/hermes/eeprom.h
M src/mainboard/prodrive/hermes/mainboard.c
M src/mainboard/prodrive/hermes/romstage.c
3 files changed, 55 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/62649/8

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