gob2: add a hash file

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gob2/gob2.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 f7ee84c07ca88ae96e5a60461957cc4dd0aa69d61804433d1c85de3d50be8026  gob2-2.0.20.tar.xz