[coreboot-gerrit] Change in coreboot[master]: nb/intel/sandybridge: Tidy up code and comments

[Angel Pons (Code Review)]

Hello build bot (Jenkins), Paul Menzel, Patrick Rudolph, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/39599

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

Change subject: nb/intel/sandybridge: Tidy up code and comments
......................................................................

nb/intel/sandybridge: Tidy up code and comments

- Reformat some lines of code
- Move MCHBAR registers and documentation into a separate file
- Add a few missing macros
- Rename some registers
- Rewrite several comments
- Use C-style comments for consistency
- Rewrite some hex constants
- Use HOST_BRIDGE instead of PCI_DEV(0, 0, 0)

With BUILD_TIMELESS=1, this commit does not change the result of:
- Asus P8Z77-V LX2 with native raminit.
- Asus P8Z77-M PRO with MRC raminit.

Change-Id: I6e113e48afd685ca63cfcb11ff9fcf9df6e41e46
Signed-off-by: Angel Pons 
---
M src/northbridge/intel/sandybridge/acpi.c
M src/northbridge/intel/sandybridge/bootblock.c
M src/northbridge/intel/sandybridge/chip.h
M src/northbridge/intel/sandybridge/early_init.c
M src/northbridge/intel/sandybridge/finalize.c
M src/northbridge/intel/sandybridge/gma.c
M src/northbridge/intel/sandybridge/gma.h
A src/northbridge/intel/sandybridge/mchbar_regs.h
M src/northbridge/intel/sandybridge/memmap.c
M src/northbridge/intel/sandybridge/northbridge.c
M src/northbridge/intel/sandybridge/pcie.c
M src/northbridge/intel/sandybridge/pei_data.h
M src/northbridge/intel/sandybridge/raminit.c
M src/northbridge/intel/sandybridge/raminit.h
M src/northbridge/intel/sandybridge/raminit_common.c
M src/northbridge/intel/sandybridge/raminit_common.h
M src/northbridge/intel/sandybridge/raminit_ivy.c
M src/northbridge/intel/sandybridge/raminit_mrc.c
M src/northbridge/intel/sandybridge/raminit_native.h
M src/northbridge/intel/sandybridge/raminit_sandy.c
M src/northbridge/intel/sandybridge/romstage.c
M src/northbridge/intel/sandybridge/sandybridge.h
22 files changed, 2,029 insertions(+), 1,998 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/99/39599/6