ARM: dts: omap3-pandora: add OMAP3530 600 MHz version

Added Pandora Rebirth model which is based on Pandora
Classic with 512 MiB DDR-333 SDRAM memory.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>