Change in coreboot[master]: nb/intel/gm45: Factor out {DMI,EP,MCH}BAR accessors

[Angel Pons (Code Review)]

Attention is currently required from: Angel Pons, Patrick Rudolph.
Hello build bot (Jenkins), Patrick Rudolph, HAOUAS Elyes,

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

https://review.coreboot.org/c/coreboot/+/49748

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

Change subject: nb/intel/gm45: Factor out {DMI,EP,MCH}BAR accessors
......................................................................

nb/intel/gm45: Factor out {DMI,EP,MCH}BAR accessors

These accessors can be reused for several other northbridges.

Tested with BUILD_TIMELESS=1, Roda RK9 remains identical.

Change-Id: Ia16ccc63dddebf938f4e9a7f5518e4d25d3e7e66
Signed-off-by: Angel Pons 
---
M src/Kconfig
A src/northbridge/intel/common/Kconfig.common
A src/northbridge/intel/common/fixed_bars.h
M src/northbridge/intel/gm45/Kconfig
M src/northbridge/intel/gm45/acpi/gm45.asl
M src/northbridge/intel/gm45/early_init.c
M src/northbridge/intel/gm45/gm45.h
M src/northbridge/intel/gm45/memmap.h
M src/northbridge/intel/gm45/pcie.c
M src/southbridge/intel/i82801ix/dmi_setup.c
10 files changed, 61 insertions(+), 26 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/49748/3