spl: Create a function to init spl_load_info

Rather than having every caller set this up individually, create a
common init function. This allows new fields to be added without the
risk of them being left uninited.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
diff --git a/common/spl/spl_blk_fs.c b/common/spl/spl_blk_fs.c
index bc551c5..bbf90a9 100644
--- a/common/spl/spl_blk_fs.c
+++ b/common/spl/spl_blk_fs.c
@@ -80,11 +80,8 @@
 		return ret;
 	}
 
-	load.read = spl_fit_read;
-	if (IS_ENABLED(CONFIG_SPL_FS_FAT_DMA_ALIGN))
-		spl_set_bl_len(&load, ARCH_DMA_MINALIGN);
-	else
-		spl_set_bl_len(&load, 1);
-	load.priv = &dev;
+	spl_load_init(&load, spl_fit_read, &dev,
+		      IS_ENABLED(CONFIG_SPL_FS_FAT_DMA_ALIGN) ?
+		      ARCH_DMA_MINALIGN : 1);
 	return spl_load(spl_image, bootdev, &load, filesize, 0);
 }