Use SPDX license headers on all scripts

This results in much cleaner copyright and license declarations.
SPDX headers are legally recognised and make auditing easier.

Also, remove descriptions of each script, from each script.
Libreboot documentation at docs/maintain/ describes them.

Signed-off-by: Leah Rowe <leah@libreboot.org>

4 files changed, 7 insertions, 25 deletions

diff --git a/script/update/blobs/download b/script/update/blobs/download
index 71c0cdb6..d9a745d9 100755
--- a/script/update/blobs/download
+++ b/script/update/blobs/download
@@ -1,9 +1,8 @@
 #!/usr/bin/env sh
-
+# SPDX-License-Identifier: GPL-3.0-only
 # SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
 # SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
 # SPDX-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
-# SPDX-License-Identifier: GPL-3.0-only
 
 . "include/err.sh"
 . "include/defconfig.sh"
diff --git a/script/update/blobs/extract b/script/update/blobs/extract
index 4404f9e2..8a78a20f 100755
--- a/script/update/blobs/extract
+++ b/script/update/blobs/extract
@@ -1,9 +1,7 @@
 #!/usr/bin/env sh
-# script to automate extracting blobs from an existing vendor bios
-
+# SPDX-License-Identifier: GPL-3.0-only
 # SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
 # SPDX-FileCopyrightText: 2023 Leah Rowe <leah@libreboot.org>
-# SPDX-License-Identifier: GPL-3.0-only
 
 . "include/err.sh"
 . "include/defconfig.sh"
diff --git a/script/update/blobs/inject b/script/update/blobs/inject
index b849f5c5..660815cc 100755
--- a/script/update/blobs/inject
+++ b/script/update/blobs/inject
@@ -1,9 +1,8 @@
 #!/usr/bin/env sh
-
+# SPDX-License-Identifier: GPL-3.0-only
 # SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
 # SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
 # SPDX-FileCopyrightText: 2023 Leah Rowe <info@minifree.org>
-# SPDX-License-Identifier: GPL-3.0-only
 
 . "include/err.sh"
 . "include/defconfig.sh"
diff --git a/script/update/blobs/mrc b/script/update/blobs/mrc
index 7e44b634..4db603cd 100755
--- a/script/update/blobs/mrc
+++ b/script/update/blobs/mrc
@@ -1,19 +1,9 @@
 #!/usr/bin/env sh
+# SPDX-License-Identifier: GPL-2.0-only
 
-# Download Intel MRC images
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation, version 2 of the License.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
+# Forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278. Changes to
+# it in this version are exclusively by Leah Rowe, copyright as of 2021 and
+# 2023, on top of original coreboot copyright auditable in coreboot.git.
 
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
@@ -22,10 +12,6 @@ set -u -e
 
 export PATH="${PATH}:/sbin"
 
-# This file is forked from util/chromeos/crosfirmware.sh in coreboot cfc26ce278
-# Changes to it in *this version* are copyright 2021 and 2023 Leah Rowe, under
-# the same license as above.
-
 # use updated manifest from wayback machine, when updating mrc.bin,
 # and update the other variables below accordingly. current manifest used:
 # https://web.archive.org/web/20210211071412/https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf