mtd: nand: make nand_info array static

Make make nand_info array static, since all direct users of nand_info array
have been converted to use get_nand_dev_by_index() API.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

drivers/mtd/nand/nand.c

@@ -19,7 +19,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int nand_curr_device = -1;
 
-struct mtd_info *nand_info[CONFIG_SYS_MAX_NAND_DEVICE];
+static struct mtd_info *nand_info[CONFIG_SYS_MAX_NAND_DEVICE];
 
 #ifndef CONFIG_SYS_NAND_SELF_INIT
 static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];

include/nand.h

@@ -44,7 +44,6 @@ extern int board_nand_init(struct nand_chip *nand);
 #endif
 
 extern int nand_curr_device;
-extern struct mtd_info *nand_info[];
 
 static inline int nand_read(struct mtd_info *info, loff_t ofs, size_t *len,
 			    u_char *buf)