liboauth: add hash for license file

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

package/liboauth/liboauth.hash

@@ -1,2 +1,3 @@
 # Locally computed:
 sha256  0df60157b052f0e774ade8a8bac59d6e8d4b464058cc55f9208d72e41156811f  liboauth-1.0.3.tar.gz
+sha256  c30608672733bf3abd2ccf6f3206be8d91b7ee58b007b2fdbcfbc61c655e7fb7  COPYING.MIT