Add dtb for Raspberry Pi Compute Module 3

This fixes #31.

Author: fhunleth

fwup.conf

@@ -111,6 +111,9 @@ file-resource zImage {
 file-resource bcm2710-rpi-3-b.dtb {
     host-path = "${NERVES_SYSTEM}/images/bcm2710-rpi-3-b.dtb"
 }
+file-resource bcm2710-rpi-cm3.dtb {
+    host-path = "${NERVES_SYSTEM}/images/bcm2710-rpi-cm3.dtb"
+}
 file-resource w1-gpio-pullup.dtbo {
     host-path = "${NERVES_SYSTEM}/images/rpi-firmware/overlays/w1-gpio-pullup.dtbo"
 }
@@ -205,6 +208,7 @@ task complete {
     on-resource fixup.dat { fat_write(${BOOT_A_PART_OFFSET}, "fixup.dat") }
     on-resource zImage { fat_write(${BOOT_A_PART_OFFSET}, "zImage") }
     on-resource bcm2710-rpi-3-b.dtb { fat_write(${BOOT_A_PART_OFFSET}, "bcm2710-rpi-3-b.dtb") }
+    on-resource bcm2710-rpi-cm3.dtb { fat_write(${BOOT_A_PART_OFFSET}, "bcm2710-rpi-cm3.dtb") }
     on-resource w1-gpio-pullup.dtbo { fat_write(${BOOT_A_PART_OFFSET}, "overlays/w1-gpio-pullup.dtbo") }
 
     on-resource rootfs.img {
@@ -261,6 +265,7 @@ task upgrade.a {
     on-resource fixup.dat { fat_write(${BOOT_A_PART_OFFSET}, "fixup.dat") }
     on-resource zImage { fat_write(${BOOT_A_PART_OFFSET}, "zImage") }
     on-resource bcm2710-rpi-3-b.dtb { fat_write(${BOOT_A_PART_OFFSET}, "bcm2710-rpi-3-b.dtb") }
+    on-resource bcm2710-rpi-cm3.dtb { fat_write(${BOOT_A_PART_OFFSET}, "bcm2710-rpi-cm3.dtb") }
     on-resource w1-gpio-pullup.dtbo { fat_write(${BOOT_A_PART_OFFSET}, "overlays/w1-gpio-pullup.dtbo") }
     on-resource rootfs.img { raw_write(${ROOTFS_A_PART_OFFSET}) }
 
@@ -320,6 +325,7 @@ task upgrade.b {
     on-resource fixup.dat { fat_write(${BOOT_B_PART_OFFSET}, "fixup.dat") }
     on-resource zImage { fat_write(${BOOT_B_PART_OFFSET}, "zImage") }
     on-resource bcm2710-rpi-3-b.dtb { fat_write(${BOOT_B_PART_OFFSET}, "bcm2710-rpi-3-b.dtb") }
+    on-resource bcm2710-rpi-cm3.dtb { fat_write(${BOOT_B_PART_OFFSET}, "bcm2710-rpi-cm3.dtb") }
     on-resource w1-gpio-pullup.dtbo { fat_write(${BOOT_B_PART_OFFSET}, "overlays/w1-gpio-pullup.dtbo") }
     on-resource rootfs.img { raw_write(${ROOTFS_B_PART_OFFSET}) }
 

nerves_defconfig

@@ -26,7 +26,7 @@ BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="04c8e47067d4873c584395e5cb260b4f170a99ea"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="${NERVES_DEFCONFIG_DIR}/linux-4.4.defconfig"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2710-rpi-3-b"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2710-rpi-3-b bcm2710-rpi-cm3"
 BR2_LINUX_KERNEL_EXT_KERNEL_WIRELESS_REGDB=y
 BR2_PACKAGE_BUSYBOX_CONFIG="${BR2_EXTERNAL_NERVES_PATH}/board/nerves-common/busybox-1.22.config"
 BR2_PACKAGE_E2FSPROGS=y