libgudev: 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/libgudev/libgudev.hash

@@ -0,0 +1,2 @@
+# From: http://ftp.gnome.org/pub/GNOME/sources/libgudev/230/libgudev-230.sha256sum
+sha256 a2e77faced0c66d7498403adefcc0707105e03db71a2b2abd620025b86347c18  libgudev-230.tar.xz