vboot-utils: add hash

vboot-utils had a hash file, but is says "none" because it is a git
download.  Since our git downloads are not reproducible, we can actually
add a hash.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/vboot-utils/vboot-utils.hash

@@ -1,2 +1,2 @@
-# Git shapshot
-none	xxx	bbdd62f9b030db7ad8eef789aaf58a7ff9a25656.tar.gz
+# Locally computed
+sha256  e119782a374655117e3d9a4e667b0056c76961c4593ba907f860d1310f6fbc2a  vboot-utils-bbdd62f9b030db7ad8eef789aaf58a7ff9a25656.tar.gz