kernel-fitimage: fix devicetree reproducibility

Ensure that the order of dtb/dtbo files in the generated fitimage is
reproducible.

Fixes: 71bfa9838cbf ("kernel-fitimage: Handle overlays in EXTERNAL_KERNEL_DEVICETREE")
(From OE-Core rev: 9e4a91b63dd8e0c1708da2ac7de461b35fb0b011)

Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index d1b8cdc1f0..72b05ff8d1 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -391,7 +391,7 @@ fitimage_assemble() {
 
         if [ -n "${EXTERNAL_KERNEL_DEVICETREE}" ]; then
                 dtbcount=1
-                for DTB in $(find "${EXTERNAL_KERNEL_DEVICETREE}" \( -name '*.dtb' -o -name '*.dtbo' \) -printf '%P\n'); do
+                for DTB in $(find "${EXTERNAL_KERNEL_DEVICETREE}" \( -name '*.dtb' -o -name '*.dtbo' \) -printf '%P\n' | sort); do
                         DTB=$(echo "${DTB}" | tr '/' '_')
                         DTBS="${DTBS} ${DTB}"
                         fitimage_emit_section_dtb ${1} ${DTB} "${EXTERNAL_KERNEL_DEVICETREE}/${DTB}"