classes: Use ${MACHINE_ARCH} instead of ${MACHINE} for stamp-extra-info task flag

Without this change, there will be two sstate index files in
tmp/sstate-control for any machine that contains a dash in the
name.

(From OE-Core rev: 29e7799bdb3773c40492e01448e0c614ed44583d)

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 1636eed6b0..2247b305da 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -289,7 +289,7 @@ SSTATETASKS += "do_image_complete"
 SSTATE_SKIP_CREATION_task-image-complete = '1'
 do_image_complete[sstate-inputdirs] = "${IMGDEPLOYDIR}"
 do_image_complete[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}"
-do_image_complete[stamp-extra-info] = "${MACHINE}"
+do_image_complete[stamp-extra-info] = "${MACHINE_ARCH}"
 addtask do_image_complete after do_image before do_build
 python do_image_complete_setscene () {
     sstate_setscene(d)