boot: Use fit_image_get_data() to get data

Use this function instead of fit_image_get_emb_data() data, since it
works will FITs that use external data.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/cpu/armv8/sec_firmware.c b/arch/arm/cpu/armv8/sec_firmware.c
index b7c73f2..44372cb 100644
--- a/arch/arm/cpu/armv8/sec_firmware.c
+++ b/arch/arm/cpu/armv8/sec_firmware.c
@@ -128,8 +128,8 @@
 			return -EINVAL;
 		}
 
-		if (fit_image_get_emb_data(sec_firmware_img, ld_node_off,
-					   &data, &size)) {
+		if (fit_image_get_data(sec_firmware_img, ld_node_off,
+				       &data, &size)) {
 			printf("SEC Loadable: Can't get subimage data/size");
 			return -ENOENT;
 		}
diff --git a/arch/arm/mach-k3/r5/sysfw-loader.c b/arch/arm/mach-k3/r5/sysfw-loader.c
index c323d2f..188731e 100644
--- a/arch/arm/mach-k3/r5/sysfw-loader.c
+++ b/arch/arm/mach-k3/r5/sysfw-loader.c
@@ -115,7 +115,7 @@
 	if (node_offset < 0)
 		return -ENOENT;
 
-	return fit_image_get_emb_data(fit, node_offset, addr, size);
+	return fit_image_get_data(fit, node_offset, addr, size);
 }
 
 static void k3_start_system_controller(int rproc_id, bool rproc_loaded,
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index 90c0376..b37f42f 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -104,9 +104,9 @@
 		is_zimage = 1;
 #if defined(CONFIG_FIT)
 	} else if (images->fit_uname_os && is_zimage) {
-		ret = fit_image_get_emb_data(images->fit_hdr_os,
-					     images->fit_noffset_os,
-					     (const void **)&data, &len);
+		ret = fit_image_get_data(images->fit_hdr_os,
+					 images->fit_noffset_os,
+					 (const void **)&data, &len);
 		if (ret) {
 			puts("Can't get image data/size!\n");
 			goto error;