Add eff_config functionality needed for RIT, fix cas_latency bug & at…

…tr files

Change-Id: I508ea4b156ff26ff7c652e28510a535b90030434
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/23796
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Tested-by: Jenkins Server
Reviewed-by: Brian R. Silver <bsilver@us.ibm.com>
Tested-by: Hostboot CI
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/69766
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Tested-by: Sachin Gupta <sgupta2m@in.ibm.com>