UPDATE: Today I build it again and now it's working, I think someone has change something. Thank you :-)
OLD:
I created an new board, based on the lime-a33.conf with BOOTCONFIG="q8_a33_tablet_1024x600_defconfig" and build a Debian Stretch Image with mainline Kernel 4.13 / 4.14. The SD Card is booting with a nice screen output but only to Kernel Boot, then the screen freezes.
The Serial connection is only in the SD Adapter and I cant use it if I'm booting from