crypto: caam - fix condition for the jump over key(s) command

SELF condition has no meaning for the SERIAL sharing since the jobs
are executed in the same DECO.

Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>