ing/writing addresses on specific local bus
chip selects.  CS0 is used to select which pixis register to access, and
CS1 is used to read/write the value.

To support this, we introduce another board-control child node of the
localbus node that contains a 'reg' property for CS0 and CS1.  This will
produce the correct physical addresses for CS0 and CS1.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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