As you see in crypto_algos in common/image-sig.c, the algorithm
should be either "rsa2048" or "rsa4096". "rs2048" is a typo.
Change-Id: I35cc5c126fc0129eb35de1a6652d64c0e645cbe9
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 6af5520fe13d81ccd4ec4f7234a8d7a2426c2bd6)