ARM: dts: omap3-pandora: add DM3730 1 GHz version

Added Pandora 1 GHz model which is based on Classic/Rebirth
with following changes:
- upgraded cpu to dm3730 runs on 1GHz
- 512 MiB DDR-333 SDRAM @ 200 MHz

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>