crypto: sl3516 - depends on HAS_IOMEM

The sl3516 driver need to depend on HAS_IOMEM.
This fixes a build error:
ERROR: modpost: "devm_platform_ioremap_resource" [drivers/crypto/gemini/sl3516-ce.ko] undefined!
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/Kconfig

@@ -268,6 +268,7 @@ config CRYPTO_DEV_NIAGARA2
 
 config CRYPTO_DEV_SL3516
 	tristate "Stormlink SL3516 crypto offloader"
+	depends on HAS_IOMEM
 	select CRYPTO_SKCIPHER
 	select CRYPTO_ENGINE
 	select CRYPTO_ECB