daemon: fix XDP includes for libknot master

This part is fully compatible with 3.0, fortunately.
It was insufficient inclusion on our side anyway, working by accident.

daemon/io.c

@@ -11,6 +11,7 @@
 #include <sys/resource.h>
 
 #if ENABLE_XDP
+	#include <libknot/xdp/eth.h>
 	#include <libknot/xdp/xdp.h>
 	#include <net/if.h>
 #endif

daemon/network.c

@@ -9,6 +9,10 @@
 #include "daemon/tls.h"
 #include "daemon/worker.h"
 
+#if ENABLE_XDP
+	#include <libknot/xdp/eth.h>
+#endif
+
 #include <libgen.h>
 #include <net/if.h>
 #include <sys/un.h>