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/include/mxs_nand.h b/include/mxs_nand.h
index c0cefac..66c9093 100644
--- a/include/mxs_nand.h
+++ b/include/mxs_nand.h
@@ -8,6 +8,7 @@
  */
 
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
 #include <asm/cache.h>
 #include <nand.h>
 #include <asm/mach-imx/dma.h>
diff --git a/include/nand.h b/include/nand.h
index 80dd646..75c6051 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -31,7 +31,6 @@
 
 #include <linux/compat.h>
 #include <linux/mtd/mtd.h>
-#include <linux/mtd/rawnand.h>
 
 int nand_mtd_to_devnum(struct mtd_info *mtd);
 
@@ -39,6 +38,8 @@
 void board_nand_init(void);
 int nand_register(int devnum, struct mtd_info *mtd);
 #else
+struct nand_chip;
+
 extern int board_nand_init(struct nand_chip *nand);
 #endif