matchbox-wm: add hash file

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

package/matchbox/matchbox-wm/matchbox-wm.hash

@@ -0,0 +1,2 @@
+# From http://downloads.yoctoproject.org/releases/matchbox/matchbox-window-manager/1.2/matchbox-window-manager-1.2.tar.bz2.md5
+md5	3e158dcf57823b55c926d95b245500fb	matchbox-window-manager-1.2.tar.bz2