[M] Change in coreboot[main]: soc/ibm/power9/*: add file structure for SOC

[Sergii Dmytruk (Code Review)]

Attention is currently required from: Felix Held, Igor Bagnucki, Krystian Hebel, Maciej Pijanowski, Martin L Roth, Michał Kopeć, Michał Żygowski, Paul Menzel, Sergii Dmytruk.

Hello Felix Held, Igor Bagnucki, Krystian Hebel, Martin L Roth, Michał Kopeć, Michał Żygowski, Paul Menzel, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/67062?usp=email

to look at the new patch set (#33).

The following approvals got outdated and were removed: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

Change subject: soc/ibm/power9/*: add file structure for SOC
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soc/ibm/power9/*: add file structure for SOC

Boot device is stubbed to be able to build boards without errors.

Change-Id: Ie74b1e34f9aebe151d0fdb0e95c003510fd864c3
Signed-off-by: Igor Bagnucki 
Signed-off-by: Krystian Hebel 
Signed-off-by: Sergii Dmytruk 
---
A src/soc/ibm/power9/Kconfig
A src/soc/ibm/power9/Makefile.mk
A src/soc/ibm/power9/bootblock.c
A src/soc/ibm/power9/cbmem.c
A src/soc/ibm/power9/chip.c
A src/soc/ibm/power9/rom_media.c
A src/soc/ibm/power9/romstage.c
A src/soc/ibm/power9/timer.c
8 files changed, 95 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/62/67062/33