Change PLID printk to be hex.
Change PLID printk to be hex.

Change-Id: Ifbfa8dce23f6ec086863bf83c1e5ae9e39dcc48a
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3394
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>
Reviewed-by: A. Patrick Williams III <c87e37b1a4035affd737b461af89fb722d635f4d@us.ibm.com>

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