Add missing help text for the -y and -Y parameters of mkimage.
Fixes: 6dfd14e122 ("mkimage: Add support for bundling TFA BL31 in mkimage -f auto")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Add missing help text for the -y and -Y parameters of mkimage.
Fixes: 6dfd14e122 ("mkimage: Add support for bundling TFA BL31 in mkimage -f auto")
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>