[RFC][Patch 2/4] U-Boot-V2:ARM:OMAP3: Add support for OMAP3 Silicon files

This patch introduces support for OMAP3430.
TRM for OMAP3430 is available here: http://focus.ti.com/pdfs/wtbu/swpu114g.pdf

Signed-off-by: Nishanth Menon<x0nishan@ti.com>