libogg: add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libogg/libogg.hash

@@ -1,2 +1,5 @@
 # From: http://www.xiph.org/downloads/
 sha256 4f3fc6178a533d392064f14776b23c397ed4b9f48f5de297aba73b643f955c08 libogg-1.3.3.tar.xz
+
+# Hash for license file:
+sha256 d2ab5758336489da61c12cc5bb757da5339c4ae9001f9bb0562b4370249af814 COPYING