ARM: dts: davinci: use proper address after @

TI has been using the physical address in DT after the @ in device nodes.
The device tree convention is to use the same address that is used for
the reg property. This updates all davinci DT files to use the proper
convention.

Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>