IBSCOM Mutex for Attribute Setting
IBSCOM Mutex for Attribute Setting

Change-Id: I8c886ea20767ccb71a658a2b79a1b9b8efe94ec8
RTC: 35315
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/7772
Tested-by: Jenkins Server
Reviewed-by: Douglas R. Gilbert <54dff2264884c355ed5584a3b7f1530b4b26921e@us.ibm.com>
Reviewed-by: Michael Baiocchi <acf7a77dd516028559c4abe2f5faeed441afe6c4@us.ibm.com>
Reviewed-by: A. Patrick Williams III <c87e37b1a4035affd737b461af89fb722d635f4d@us.ibm.com>

open-power/hostboot,csmart/hostboot,csmart/hostboot,Over-enthusiastic/hostboot,csmart/hostboot,csmart/hostboot,Over-enthusiastic/hostboot,csmart/hostboot,alvintpwang/hostboot,alvintpwang/hostboot,open-power/hostboot,Over-enthusiastic/hostboot,Over-enthusiastic/hostboot,alvintpwang/hostboot,Over-enthusiastic/hostboot,alvintpwang/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,alvintpwang/hostboot