Support new field for greylist

New field Bit Mask has been added. If this field is present, only
putScomUnderMask is allowed. Mask in putScomUnderMask should be
either same or superset of Bit Mask in greylist.

Change-Id: Ibc0ff61918f15ab0193e7cbe55080b7573d11f2e
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/60683
Reviewed-by: Shakeeb A. Pasha B K <shakeebbk@in.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: SANTOSH BALASUBRAMANIAN <sbalasub@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/60689
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>