fix setting mmc and kernelmmc numbers

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
fixed Neo900 bot loader display integration

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
u-boot: Disable USB TTY on omap3beagle config

The USB TTY driver will register a new USB device on the host but may fail to
answer requests as the device boots, causing the host USB controller to
timeout waiting for a response.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>