ARM: dts: tx28: restructure and update DTS file
ARM: dts: tx28: restructure and update DTS file

Update the Ka-Ro TX28 DTS file.

- add Copyright header
- use label references for better readability
- sort the entries alphabetically
- add some aliases used by U-Boot to modify the DT data

Signed-off-by: Lothar Waßmann <ba70e185ad5f8bd89713de0ae0734e59d08b9ad3@KARO-electronics.de>
Signed-off-by: Shawn Guo <912cf7eb7d8018e2943586ae6657d21fd4e38239@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs