Change in coreboot[master]: nb/intel/sandybridge: Improve CAS freq selection

[Arthur Heymans (Code Review)]

Hello Paul Menzel, build bot (Jenkins),

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

https://review.coreboot.org/19716

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

Change subject: nb/intel/sandybridge: Improve CAS freq selection
......................................................................

nb/intel/sandybridge: Improve CAS freq selection

The previous code seemed weird and tried to check if its selected
value is supported three times.

This also lower the clock if a selected frequency does not result in a
supported CAS number.

Change-Id: I97244bc3940813c5a5fcbd770d71cca76d21fcae
Signed-off-by: Arthur Heymans 
---
M 3rdparty/arm-trusted-firmware
M src/include/device/dram/ddr3.h
M src/northbridge/intel/sandybridge/raminit_sandy.c
3 files changed, 66 insertions(+), 57 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/16/19716/6