[L] Change in coreboot[main]: mb/hp/snb_ivb_desktops: Add Compaq Pro 6300 MT/SFF variant

[Keith Hui (Code Review)]

Attention is currently required from: Martin L Roth.

Hello Martin L Roth, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/86869?usp=email

to look at the new patch set (#6).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: mb/hp/snb_ivb_desktops: Add Compaq Pro 6300 MT/SFF variant
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mb/hp/snb_ivb_desktops: Add Compaq Pro 6300 MT/SFF variant

A compaq_8300_elite_sff build can run on these models mostly unmodified.
Spawn a new variant from it, tie up some obvious loose ends and bring it
officially into the fold.

BUG=https://ticket.coreboot.org/issues/581

Change-Id: Ic0f04d586a8361968d7f6c3e3d048f945528cb84
Signed-off-by: Keith Hui 
---
A Documentation/mainboard/hp/compaq_pro_6300_series.md
M Documentation/mainboard/index.md
M src/mainboard/hp/snb_ivb_desktops/Kconfig
M src/mainboard/hp/snb_ivb_desktops/Kconfig.name
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/board_info.txt
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/data.vbt
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/early_init.c
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/gma-mainboard.ads
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/gpio.c
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/hda_verb.c
A src/mainboard/hp/snb_ivb_desktops/variants/compaq_pro_6300/overridetree.cb
11 files changed, 397 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/69/86869/6