spl: Update spl_load_simple_fit() to take an spl_image param

Upda the SPL FIT code to use the spl_image parameter.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index 16a6b49..c674e61 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -80,7 +80,7 @@
 		load.filename = NULL;
 		load.bl_len = mmc->read_bl_len;
 		load.read = h_spl_load_read;
-		ret = spl_load_simple_fit(&load, sector, header);
+		ret = spl_load_simple_fit(spl_image, &load, sector, header);
 	} else {
 		ret = mmc_load_legacy(spl_image, mmc, sector, header);
 	}