jgr17061500 Nim Obus DD2 update

Added attribute control of value applied to CTLE coarse regs.
The register width changed between DD1 and DD2.

Change-Id: Ic8b9dac65023b7bcb50dedd32072b0507e9c285b
Original-Change-Id: I7fe0fb50f0a352b8ceff2a6f01eadc53ef9fddc1
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41906
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Benjamin Gass <bgass@us.ibm.com>
Reviewed-by: Richard J. Knight <rjknight@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/64767
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Tested-by: Daniel M. Crowell <dcrowell@us.ibm.com>