powerpc/8xxx: Fix quad-rank DIMMs support on corenet_ds board.

The board specific parameters associated with quad rank dimms where
missing.  This fixes it so the board will function if quad rank dimms
are placed in it.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2 files changed