Fix the padlock engine

Fix the padlock engine

... after it was broken for almost 5 years,
since the first 1.1.1 release.
Note: The last working version was 1.1.0l release.

Fixes #20073

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20146)