Removed obsolete script

This script is for single architecture builds not needed. This is usefull
for multiarch. Which may will be implemented later on.

Signed-off-by: Christian Ege <k4230r6@gmail.com>
Added support for older mdev device manager

In case o udev and recent mdev version firmware files which could not
located by the device manager are reported to the kernel. In case of older
mdev the kernel hangs for seberal minutes.

Signed-off-by: Christian Ege <k4230r6@gmail.com>