powerpc/sbc8560: fix compile warning on CPM pin array

This is just a parallel of a5dc66e2ab2e2cf641346b056a69a67cfcf9458c
applied to the sbc8560 board.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
1 file changed