cmd: bootm: fix build when CONFIG_CMD_IMLS_NAND

Now when CONFIG_CMD_IMLS_NAND is enabled the u-boot build will fail,
because nand_read_skip_bad() function has been changed to accept more
parameters, hence fix it.

 CC      cmd/bootm.o
cmd/bootm.c: In function 'nand_imls_legacyimage':
cmd/bootm.c:390:8: error: too few arguments to function 'nand_read_skip_bad'
  ret = nand_read_skip_bad(mtd, off, &len, imgdata);
        ^
In file included from cmd/bootm.c:18:0:
include/nand.h:101:5: note: declared here
 int nand_read_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length,
     ^
 LD      drivers/block/built-in.o
Signed-off-by: NGrygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

cmd/bootm.c

@@ -390,7 +390,7 @@ static int nand_imls_legacyimage(struct mtd_info *mtd, int nand_dev,
 		return -ENOMEM;
 	}
 
-	ret = nand_read_skip_bad(mtd, off, &len, imgdata);
+	ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
 	if (ret < 0 && ret != -EUCLEAN) {
 		free(imgdata);
 		return ret;
@@ -430,7 +430,7 @@ static int nand_imls_fitimage(struct mtd_info *mtd, int nand_dev, loff_t off,
 		return -ENOMEM;
 	}
 
-	ret = nand_read_skip_bad(mtd, off, &len, imgdata);
+	ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata);
 	if (ret < 0 && ret != -EUCLEAN) {
 		free(imgdata);
 		return ret;