package/cc-tool: add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 239dee9b3b610a74fafca49cb97ae4e9527f3834)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/cc-tool/cc-tool.hash

@@ -1,3 +1,6 @@
 # From http://sourceforge.net/projects/cctool/files/
 sha1 f313e55f019ea5338438633f5b5e689b699343e1  cc-tool-0.26-src.tgz
 md5 26960676f3e6264e612c299fbf8ec5ea  cc-tool-0.26-src.tgz
+
+# Hash for license file
+sha256 231f7edcc7352d7734a96eef0b8030f77982678c516876fcb81e25b32d68564c  COPYING