DHT-Walnut Boot Via Tftp

It's relative easy if:
 * You have a tftp server setup
 * Have a kernel Image and Userland Image in the /tftpboot/ directory on your server


 * =>tftpboot 400000 Working Kernel Image
 * =>tftpboot c00000 Working Userland Image
 * bootm 400000 c00000
 * < kernel boots and loads userland image >
 * bootm 400000 c00000
 * < kernel boots and loads userland image >