Building the caam driver on arm64 produces a harmless warning:

drivers/crypto/caam/caamalg.c:140:139: warning: comparison of distinct pointer types lacks a cast

We can use min_t to tell the compiler which type we want it to use
here.

Fixes: 5ecf8ef9 ("crypto: caam - fix sg dump")
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Reviewed-by: NHoria Geantă <horia.geanta@nxp.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>