Change in coreboot[master]: device/dram/ddr2: Add functions to select common CAS en freq

[Arthur Heymans (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/18320

to look at the new patch set (#22).

Change subject: device/dram/ddr2: Add functions to select common CAS en freq
......................................................................

device/dram/ddr2: Add functions to select common CAS en freq

This adds two functions:
- one to find the highest common tCLK per CAS;
- another to find to select tCLK and CAS based on the results of the
previous function and the limits on minimal tCLK the memory controller
can impose.

Change-Id: I3ab39d38a243edddfde8f70ebd23f79ff774e90e
Signed-off-by: Arthur Heymans 
---
M src/device/dram/ddr2.c
M src/include/device/dram/ddr2.h
2 files changed, 83 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/18320/22