fwup: add hash file

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/fwup/fwup.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	  b318875d42cf2a643da99f03ac91662ec91625d9a84a3a9bb53ac419d1cb0dc3	fwup-v0.7.0.tar.gz