add missing ioctl declaration

Previously ioctl was declared as a macro in lwip/sockets.h.
Disabling LWIP_POSIX_SOCKETS_IO_NAMES removed that declaration.

This adds sys/ioctl.h file and the missing declaration.
Also adds missing includes in vfs.c.

components/vfs/vfs.c

@@ -16,6 +16,10 @@
 #include <string.h>
 #include <assert.h>
 #include <sys/errno.h>
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/unistd.h>
+#include <dirent.h>
 #include "esp_vfs.h"
 #include "esp_log.h"