mtd, ubi, ubifs: resync with Linux-3.14

resync ubi subsystem with linux:

commit 455c6fdbd219161bd09b1165f11699d6d73de11c
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Mar 30 20:40:15 2014 -0700

    Linux 3.14

A nice side effect of this, is we introduce UBI Fastmap support
to U-Boot.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Joerg Krause <jkrause@posteo.de>
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c
index df04c2b..5e56a29 100644
--- a/drivers/mtd/onenand/samsung.c
+++ b/drivers/mtd/onenand/samsung.c
@@ -15,20 +15,12 @@
 #include <linux/compat.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/onenand.h>
+#include <linux/mtd/flashchip.h>
 #include <linux/mtd/samsung_onenand.h>
 
 #include <asm/io.h>
 #include <asm/errno.h>
 
-#ifdef ONENAND_DEBUG
-#define DPRINTK(format, args...)					\
-do {									\
-	printf("%s[%d]: " format "\n", __func__, __LINE__, ##args);	\
-} while (0)
-#else
-#define DPRINTK(...)			do { } while (0)
-#endif
-
 #define ONENAND_ERASE_STATUS		0x00
 #define ONENAND_MULTI_ERASE_SET		0x01
 #define ONENAND_ERASE_START		0x03