[L] Change in coreboot[main]: mb/asrock: Add Z87 Extreme3 (Haswell)

[Jan Philipp Groß (Code Review)]

Attention is currently required from: Angel Pons, Felix Singer, Keith Hui, Máté Kukri, Nicholas Chin.

Hello Angel Pons, Felix Singer, Keith Hui, Máté Kukri, Nicholas Chin, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/85926?usp=email

to look at the new patch set (#3).

Change subject: mb/asrock: Add Z87 Extreme3 (Haswell)
......................................................................

mb/asrock: Add Z87 Extreme3 (Haswell)

This port was done via autoport and subsequent manual tweaking.

Working:
- Haswell MRC.bin
- All four DDR3/DDR3L DIMM slots
- S3 suspend and resume
- D-Sub Port
- DVI-D Port
- HDMI Port
- RJ-45 Gigabit LAN Port
- Both rear USB 2.0 Ports
- All four rear USB 3.1 Gen1 Ports
- Both USB 2.0 headers
- USB 3.1 Gen1 header
- All six SATA3 6.0 Gb/s connectors by Intel
- Both PCI Express 3.0 x16 slots (Tested with RX 550 PCIe x8 GPU)
- PCI Express 2.0 x1 slots (tested with TL-WDN4800 WiFi adapter)
- HD Audio Jack (Audio output tested only)
- Front Audio Jack (Audio output tested only)

not (yet) tested:
- PCI slots
- IR header
- COM Port header
- eSATA connector
- PS/2 Mouse/Keyboard Port
- Optical SPDIF Out Port

Change-Id: I3c13c068d899588eda80b9957127bcb6ccf8bab0
Signed-off-by: Jan Philipp Groß 
---
A src/mainboard/asrock/z87_extreme3/Kconfig
A src/mainboard/asrock/z87_extreme3/Kconfig.name
A src/mainboard/asrock/z87_extreme3/Makefile.mk
A src/mainboard/asrock/z87_extreme3/acpi/ec.asl
A src/mainboard/asrock/z87_extreme3/acpi/platform.asl
A src/mainboard/asrock/z87_extreme3/acpi/superio.asl
A src/mainboard/asrock/z87_extreme3/board_info.txt
A src/mainboard/asrock/z87_extreme3/bootblock.c
A src/mainboard/asrock/z87_extreme3/data.vbt
A src/mainboard/asrock/z87_extreme3/devicetree.cb
A src/mainboard/asrock/z87_extreme3/dsdt.asl
A src/mainboard/asrock/z87_extreme3/gma-mainboard.ads
A src/mainboard/asrock/z87_extreme3/gpio.c
A src/mainboard/asrock/z87_extreme3/hda_verb.c
A src/mainboard/asrock/z87_extreme3/romstage.c
15 files changed, 528 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/85926/3