package/ccache: add hash file

Signed-off-by: Karoly Kasza <kaszak@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/ccache/ccache.hash

@@ -0,0 +1,2 @@
+# Verified key http://samba.org/ftp/ccache/ccache-3.1.11.tar.xz.asc - sha256 computed locally
+sha256	60e9f3f1e60f528cfce910f3224bcc698029320f6ab77ec09a7b46bda2bc678e	ccache-3.1.11.tar.xz