sf: Remove unneeded header includes

Removed unneeded header includes in sf_ops and sf_probe

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>

drivers/mtd/spi/sf_ops.c

@@ -14,8 +14,6 @@
 #include <mapmem.h>
 #include <spi.h>
 #include <spi_flash.h>
-#include <watchdog.h>
-#include <linux/compiler.h>
 #include <linux/log2.h>
 
 #include "sf_internal.h"

drivers/mtd/spi/sf_probe.c

@@ -11,12 +11,9 @@
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
-#include <fdtdec.h>
 #include <malloc.h>
-#include <mapmem.h>
 #include <spi.h>
 #include <spi_flash.h>
-#include <asm/io.h>
 
 #include "sf_internal.h"