Fix compile error when in USE_EFF mode

Added a new enum to lab_dimm_spd_attributes to match what was
added to the real dimm_spd_attributes

Change-Id: Ib13aacc01443ec624bfb31deb3d85fc3fffd68dd
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/14554
Tested-by: Jenkins Server
Reviewed-by: Brian Silver <bsilver@us.ibm.com>
Reviewed-by: MATTHEW A. PLOETZ <maploetz@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Remove safemode_mem_throttle_denominator

Change-Id: I5d0125e159f014e28be42dec71b87e573d92eab6
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/14490
Tested-by: Jenkins Server
Reviewed-by: Brian Silver <bsilver@us.ibm.com>
Reviewed-by: Matt Spinler <spinler@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>