Baruch Siach authored May 02, 2023 and Heinrich Schuchardt committed May 13, 2023

Since U-Boot supports more RSA/SHA variants, as well as ECDSA, remove
these items from the TODO list.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Simon Glass <sjg@chromium.org>