configs/raspberrypi3_64: install Compute Module 3 device-tree blob

This installs the device-tree blob for the Compute Module 3.

Note: The 32-bit raspberrypi3_defconfig installs this Device Tree
since a726c7dff8
(configs/raspberrypi3_defconfig: add raspberry pi 3 compute module
support).

Signed-off-by: Gaël PORTAY <gael.portay@rtone.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/raspberrypi3_64_defconfig

@@ -20,7 +20,7 @@ BR2_LINUX_KERNEL_DEFCONFIG="bcmrpi3"
 
 # Build the DTB from the kernel sources
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2710-rpi-3-b broadcom/bcm2710-rpi-3-b-plus broadcom/bcm2837-rpi-3-b"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="broadcom/bcm2710-rpi-3-b broadcom/bcm2710-rpi-3-b-plus broadcom/bcm2710-rpi-cm3 broadcom/bcm2837-rpi-3-b"
 
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y