Make onenand_uboot.h self-sufficient.

Don't assume types are provided by previously included headers.

Signed-off-by: Scott Wood <scottwood@freescale.com>

include/onenand_uboot.h

@@ -14,6 +14,8 @@
 #ifndef __UBOOT_ONENAND_H
 #define __UBOOT_ONENAND_H
 
+#include <linux/types.h>
+
 struct kvec {
 	void *iov_base;
 	size_t iov_len;
@@ -22,6 +24,9 @@ struct kvec {
 typedef int spinlock_t;
 typedef int wait_queue_head_t;
 
+struct mtd_info;
+struct erase_info;
+
 /* Functions */
 extern void onenand_init(void);
 extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,