crypto: user - CRYPTO_STATS should depend on CRYPTO_USER

CRYPTO_STATS is using CRYPTO_USER stuff, so it should depends on it.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/Kconfig

@@ -1865,6 +1865,7 @@ config CRYPTO_USER_API_AEAD
 
 config CRYPTO_STATS
 	bool "Crypto usage statistics for User-space"
+	depends on CRYPTO_USER
 	help
 	  This option enables the gathering of crypto stats.
 	  This will collect: