cosmetic: FIT: fix a strange comment

There is a strange comment in fit_image_load().
This function can be used for loading Kernel Image, FDT
as well as ramdisk.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>

common/image-fit.c

diff --git a/common/image-fit.c b/common/image-fit.c
index cf4b67e..b94a3fe 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -1500,7 +1500,7 @@
 	}
 	bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
 	if (fit_uname) {
-		/* get ramdisk component image node offset */
+		/* get FIT component image node offset */
 		bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
 		noffset = fit_image_get_node(fit, fit_uname);
 	} else {