I did it! Thank you very much for the support!

the right one is

"boot_normal=fatload mmc 1 40007800 uImage; bootm 40007800\0" \  

ah i didnt DD didnt worked on the first try

Ahh i cannot understand what is wrong it say

[   31.57][mmc]: MMC Device 1 not found

**Invalid boot device**
Wrong Image Format for bootm command
ERROR: can't get kernel image

Fritz please when you are able tell me what is the right think to be writen for boot_normal

Fritz i did it i found where was my mistake and now it works.
Thank you very much for the support!