u-boot patches for REV C valdation

The following series of patches will apply against
http://git.gitorious.org/u-boot-omap3/mainline.git on branch
omap3-dev-usb.

- Review comments were incorporated.
- USB TTY Fixes
- Logo Update patches from jason are updated against this tree
- Boot scripts are updated against this tree
- Fixes the MMC compilation issue on this TREE.

Regards,
Khasim