[XS] Change in coreboot[main]: util/scripts/update_submodules: Fix "branch: unbound variable" error

[Yidi Lin (Code Review)]

Yidi Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/87268?usp=email )

Change subject: util/scripts/update_submodules: Fix "branch: unbound variable" error
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util/scripts/update_submodules: Fix "branch: unbound variable" error

After CB:86803, ${branch} variable is no longer valid. Use
${branch_name} instead ${branch} for generating the commit message.

TEST=./util/scripts/update_submodules -R 3rdparty/arm-trusted-firmware/
     The script generates the new commit successfully.

Change-Id: Ia528379b8721e6d419984bab28de7cf427e42423
Signed-off-by: Yidi Lin 
---
M util/scripts/update_submodules
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/68/87268/1

diff --git a/util/scripts/update_submodules b/util/scripts/update_submodules
index cbf2364..9eeb383 100755
--- a/util/scripts/update_submodules
+++ b/util/scripts/update_submodules
@@ -132,7 +132,7 @@
    		cd "${TOP}" || exit 1
    		git add "${submodule}" > /dev/null 2>&1 || exit 1
    		git commit -s -F- > /dev/null 2>&1 <<-EOF
-	Update ${submodule##*/} submodule to upstream ${branch##*/}
+	Update ${submodule##*/} submodule to upstream ${branch_name##*/}

Updating from commit id ${initial_commit_id}:
    $initial_commit_description