ecore-drm: Add necessary headers for dbus and systemd-login

This feature allows us to open input devices and receive events from
them as a normal user without the need for special input device
permissions, or the need for a slave suid binary.

NB: This will only wor with dbus & systemd support

@feature

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/lib/ecore_drm/ecore_drm_private.h

@@ -4,6 +4,7 @@
 # include "Ecore.h"
 # include "ecore_private.h"
 # include "Ecore_Input.h"
+# include "Eldbus.h"
 
 # include <stdio.h>
 # include <stdlib.h>
@@ -16,6 +17,7 @@
 # include <libudev.h>
 # include <linux/input.h>
 //# include <libinput.h>
+# include <systemd/sd-login.h>
 # include <xkbcommon/xkbcommon.h>
 
 # include <xf86drm.h>