cmd: fat: remove unused includes

Remove unused includes from cmd/fat.c.
Signed-off-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: NSimon Glass <sjg@chromium.org>

cmd/fat.c

@@ -8,13 +8,7 @@
  * Boot support
  */
 #include <common.h>
-#include <command.h>
-#include <s_record.h>
-#include <net.h>
-#include <ata.h>
-#include <asm/io.h>
 #include <mapmem.h>
-#include <part.h>
 #include <fat.h>
 #include <fs.h>