[PATCH 3/3] imx: hab: Explain that ivt_offset is optional

[Fabio Estevam]

From: Fabio Estevam <festevam at denx.de>

The ivt_offset parameter is optional for both hab_auth_img_or_fail
and hab_auth_img commands.

Document it in their usage texts to make it clearer.

Signed-off-by: Fabio Estevam <festevam at denx.de>
---
 arch/arm/mach-imx/hab.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index ea9c5d3c9fd4..41121d575734 100644
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -700,7 +700,7 @@ U_BOOT_CMD(
 		"addr length ivt_offset\n"
 		"addr - image hex address\n"
 		"length - image hex length\n"
-		"ivt_offset - hex offset of IVT in the image"
+		"ivt_offset - hex offset of IVT in the image (optional)"
 	  );
 
 U_BOOT_CMD(
@@ -716,7 +716,7 @@ U_BOOT_CMD(
 		"addr length ivt_offset\n"
 		"addr - image hex address\n"
 		"length - image hex length\n"
-		"ivt_offset - hex offset of IVT in the image"
+		"ivt_offset - hex offset of IVT in the image (optional)"
 	  );
 
 U_BOOT_CMD(
-- 
2.34.1