MPC8360EMDS PB support is broken as some code was missing
in last submission.  This patch adds missing code and makes
MPC8360EMDS PB support working.
Signed-off-by: NLi Yang <leoli@freescale.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>