input-event-daemon: Add license info

Add license info for input-event-daemon.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/input-event-daemon/input-event-daemon.mk

@@ -6,6 +6,8 @@
 
 INPUT_EVENT_DAEMON_VERSION = v0.1.3
 INPUT_EVENT_DAEMON_SITE = git://github.com/gandro/input-event-daemon.git
+INPUT_EVENT_DAEMON_LICENSE = input-event-daemon license
+INPUT_EVENT_DAEMON_LICENSE_FILES = README
 
 define INPUT_EVENT_DAEMON_BUILD_CMDS
 	touch  $(@D)/input-event-table.h