Add missing headers for compilation on x86 targets

Change-Id: I5f4dc797b353a0f01fa00d38375ec303bf863254
diff --git a/toolbox/setconsole.c b/toolbox/setconsole.c
index b0ce13f..0159c07 100644
--- a/toolbox/setconsole.c
+++ b/toolbox/setconsole.c
@@ -6,6 +6,8 @@
 #include <linux/vt.h>
 #include <errno.h>
 #include <pthread.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
 
 static int activate_thread_switch_vc;
 static void *activate_thread(void *arg)