anchor.diff:  #KERNEL_DEVICETREE_raspberrypi3 ?= "bcm2710-rpi-3-b.dtb"
   #KERNEL_DEVICETREE_raspberrypi-cm3 ?= "bcm2710-rpi-cm3.dtb"
   
  -KERNEL_DEVICETREE ?= " \
  +KERNEL_DEVICETREE = " \
       bcm2708-rpi-0-w.dtb \
       bcm2708-rpi-b.dtb \
       bcm2708-rpi-b-plus.dtb \
  
positive.code:     overlays/rpi-tv.dtbo \
      overlays/rra-digidac1-wm8741-audio.dtbo \
      overlays/sc16is750-i2c.dtbo \
      overlays/sc16is752-spi1.dtbo \
      overlays/sdhost.dtbo \
      overlays/sdio-1bit.dtbo \
  
negative.code:     overlays/spi2-1cs.dtbo \
      overlays/spi2-2cs.dtbo \
      overlays/spi2-3cs.dtbo \
      overlays/spi-gpio35-39.dtbo \
      overlays/spi-rtc.dtbo \
      overlays/superaudioboard.dtbo \
      overlays/tinylcd35.dtbo \
      overlays/uart0.dtbo \
      overlays/uart1.dtbo \
      overlays/upstream-aux-interrupt.dtbo \
      overlays/upstream.dtbo \
      overlays/vc4-fkms-v3d.dtbo \
      overlays/vc4-kms-v3d.dtbo \
      overlays/vga666.dtbo \
  