UPSTREAM: check_whence: Add copy-firmware.sh to the list of ignored files

This was added recently as the script to install the firmware files.
Add it to the ignored list so check_whence doesn't complain about it.

Signed-off-by: Josh Boyer <jwboyer@kernel.org>
(cherry picked from commit c0fb3d9862477e31717e04e008debf6328b8980a
 https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git master)

BUG=chromium:1020597
TEST=`make check`

Change-Id: Ifee4fd72cfe23ec0eafa9a34d3da08dd2e369790
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/linux-firmware/+/1898308
Reviewed-by: Douglas Anderson <dianders@chromium.org>
diff --git a/check_whence.py b/check_whence.py
index 662c609..523692c 100755
--- a/check_whence.py
+++ b/check_whence.py
@@ -36,7 +36,7 @@
     whence_list = list(list_whence())
     known_files = set(name for name in whence_list if not name.endswith('/')) | \
                   set(['check_whence.py', 'configure', 'Makefile',
-                       'README', 'WHENCE'])
+                       'README', 'copy-firmware.sh', 'WHENCE'])
     known_prefixes = set(name for name in whence_list if name.endswith('/'))
     git_files = set(list_git())