nut: add hash file

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/nut/nut.hash

@@ -0,0 +1,2 @@
+# From http://www.networkupstools.org/source/2.7/nut-2.7.2.tar.gz.sha256
+sha256	4d5365359b059d96dfcb77458f361a114d26c84f1297ffcd0c6c166f7200376d	nut-2.7.2.tar.gz