eib_image: Install RPi 5 device tree blobs into RPi image's boot partition

PRi 5 series devices, including RPi 500 cannot boot u-boot until install
RPi 5 series device tree blobs into RPi image's boot partition.

Note: RPi 500 uses device tree blob bcm2712-rpi-5-b.dtb, too.

https://app.asana.com/1/1203676861188277/project/1211061530470838/task/1211800919141751
https://app.asana.com/1/1203676861188277/project/1211061530470838/task/1211943756834438

Author: starnight

stages/eib_image

@@ -349,6 +349,7 @@ EOF
           eval $(grep "^fdtdir=" ${ROOT}/boot/uEnv.txt)
           FDTDIR="${ROOT}/${fdtfit}"
           cp ${FDTDIR}/broadcom/bcm2711-rpi-4*.dtb ${EIB_TMPDIR}/rpiboot/
+          cp ${FDTDIR}/broadcom/bcm2712-rpi-5*.dtb ${EIB_TMPDIR}/rpiboot/
           cp -r ${FDTDIR}/overlays ${EIB_TMPDIR}/rpiboot/
 
           # Copy Raspberry Pi's u-boot