nand.h: Cleanup linux/mtd/rawnand.h usage

We only include <linux/mtd/rawnand.h> in <nand.h> for the forward
declaration of struct nand_chip, so do that directly.  Then, include
<linux/mtd/rawnand.h> where required directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c
index c38f286..2b8a132 100644
--- a/drivers/mtd/nand/raw/mxc_nand.c
+++ b/drivers/mtd/nand/raw/mxc_nand.c
@@ -10,6 +10,7 @@
 #include <nand.h>
 #include <linux/delay.h>
 #include <linux/err.h>
+#include <linux/mtd/rawnand.h>
 #include <asm/io.h>
 #if defined(CONFIG_MX27) || \
 	defined(CONFIG_MX51) || defined(CONFIG_MX53)