mediastreamer: add hash file

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

package/mediastreamer/mediastreamer.hash

@@ -0,0 +1,2 @@
+# Locally calculated after checking pgp signature
+sha256	c245b9444c2abb4c84433606e01f0b3ce29ce78de0afe1e191f4f3c62656acd5	mediastreamer-2.9.0.tar.gz