Change in coreboot[master]: mb/*/*/romstage.c: Clean up targets with i82801gx

[Arthur Heymans (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/21065

to look at the new patch set (#2).

Change subject: mb/*/*/romstage.c: Clean up targets with i82801gx
......................................................................

mb/*/*/romstage.c: Clean up targets with i82801gx

Replaces magic numbers by macros.

Remove many write to DxxIP since they were 'setting' reset default
values.

Remove some GENx_IO_DEC from ASUS P5GC-MX (was copied from another
board).

Change-Id: I9d6a0ff3d391947f611a2f3c65684f4ee57bc263
Signed-off-by: Arthur Heymans 
---
M src/mainboard/apple/macbook21/romstage.c
M src/mainboard/asrock/g41c-gs/romstage.c
M src/mainboard/asus/p5gc-mx/romstage.c
M src/mainboard/foxconn/g41s-k/romstage.c
M src/mainboard/getac/p470/romstage.c
M src/mainboard/gigabyte/ga-945gcm-s2l/romstage.c
M src/mainboard/gigabyte/ga-g41m-es2l/romstage.c
M src/mainboard/ibase/mb899/romstage.c
M src/mainboard/intel/d510mo/romstage.c
M src/mainboard/intel/d945gclf/romstage.c
M src/mainboard/kontron/986lcd-m/romstage.c
M src/mainboard/lenovo/t60/romstage.c
M src/mainboard/lenovo/x60/romstage.c
M src/mainboard/roda/rk886ex/romstage.c
M src/southbridge/intel/i82801gx/i82801gx.h
15 files changed, 172 insertions(+), 178 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/21065/2