Improve assert debugability.
Improve assert debugability.

Change-Id: Iec3709694ea02ce2c162d310949ad8586da0b539
Reviewed-on: http://gfwr801.rchland.ibm.com:8080/gerrit/96
Tested-by: Jenkins Server
Reviewed-by: Douglas R. Gilbert <54dff2264884c355ed5584a3b7f1530b4b26921e@us.ibm.com>
Reviewed-by: MATTHEW S. BARTH <76a4069b1098781bef2e2b6fa2d90fe40aa24503@us.ibm.com>

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