memtest86+: Add .gitreview file

This allow Gerrit integration via the "git review" command.
More information is available at the URL below:
https://www.mediawiki.org/wiki/Gerrit/git-review

Change-Id: If5568c053df7e22e929e76f81efa107e0a7b962e
Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Reviewed-on: https://review.coreboot.org/13929
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..3aa3eb0
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,5 @@
+[gerrit]
+host=review.coreboot.org
+port=29418
+project=memtest86plus
+defaultbranch=master