fromupstream: Add flashrom to the list of upstream locations

Nice to be able to pick with upstream://

BUG=b:178822068
TEST=Use to pick CL:2660502

Change-Id: I6fa19e37bb15ec379f2d12410b9fa636158e6c6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2664067
Tested-by: Douglas Anderson <dianders@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Auto-Submit: Douglas Anderson <dianders@chromium.org>
diff --git a/contrib/fromupstream.py b/contrib/fromupstream.py
index adf328f..2065eff 100755
--- a/contrib/fromupstream.py
+++ b/contrib/fromupstream.py
@@ -43,6 +43,7 @@
     'git://w1.fi/srv/git/hostap.git',
     'git://git.kernel.org/pub/scm/bluetooth/bluez.git',
     'https://github.com/andersson/qrtr.git',
+    'https://review.coreboot.org/flashrom.git'
 )
 
 PATCHWORK_URLS = (