This tidies up the image Makefiles for the sunxi target by:
- Move the if-condition for the subtarget to the parent Makefile
- Remove lots of unnecessary empty lines
- Sort device definitions alphabetically
- Harmonize line wrapping for DEVICE_PACKAGES
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
d0d8584b41