libcap: add license hash

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 2a05731aa5213879bd0a90ac076521f3cbeb28d4)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libcap/libcap.hash

@@ -1,2 +1,5 @@
 # https://www.kernel.org/pub/linux/libs/security/linux-privs/libcap2/sha256sums.asc
 sha256	693c8ac51e983ee678205571ef272439d83afe62dd8e424ea14ad9790bc35162  libcap-2.25.tar.xz
+
+# Hash for license file:
+sha256	088cabde4662b4121258d298b0b2967bc1abffa134457ed9bc4a359685ab92bc  License