uboot-imx

ARM: omap3: add support to Technexion twister board

The twister board is a development board using
the TAM3517 SOM.

Support for NAND, 2 Ethernet (EMAC and SMC911),
USB (EHCI_OMAP).

Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tapani Utrianen <tapani@technexion.com>
CC: Tom Rini <tom.rini@gmail.com>
CC: Sandeep Paulraj <s-paulraj@ti.com>