crypto: testmgr - move pkcs1pad(rsa,sha3-*) to correct place

alg_test_descs[] needs to be in sorted order, since it is used for
binary search.  This fixes the following boot-time warning:

    testmgr: alg_test_descs entries in wrong order: 'pkcs1pad(rsa,sha512)' before 'pkcs1pad(rsa,sha3-256)'

Fixes: ee62afb9

 ("crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>