backport noyau linux 5.4 car la 5.10 ne fonctionne pas sur le mmc

recipes-kernel/linux/bundle-devicetree_5.4.inc

@@ -0,0 +1,26 @@
+# Upstream kernel-devicetree.bbclass only supports bundling the DTB with
+# zImage. The factory u-boot on lego-ev3 EEPROM only supports uImage, so we
+# append the DTB to the final uImage here.
+
+do_deploy:append() {
+    if [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
+        install -d ${DEPLOYDIR}
+        for dtbf in ${KERNEL_DEVICETREE}; do
+            dtb=`normalize_dtb "$dtbf"`
+            dtb_ext=${dtb##*.}
+            dtb_base_name=`basename $dtb .$dtb_ext`
+            for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
+                if [ "$type" = "uImage" ]; then
+                    cat ${D}/${KERNEL_IMAGEDEST}/$type \
+                    ${DEPLOYDIR}/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext \
+                    > ${DEPLOYDIR}/$type-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext.bin
+                    ln -sf $type-$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext.bin \
+                    ${DEPLOYDIR}/$type-$dtb_base_name-${KERNEL_DTB_LINK_NAME}.$dtb_ext.bin
+                    cat ${D}/${KERNEL_IMAGEDEST}/$type \
+                    ${DEPLOYDIR}/$dtb_base_name-${KERNEL_DTB_NAME}.$dtb_ext \
+                    > ${DEPLOYDIR}/$type
+                fi
+            done
+        done
+    fi
+}