Make the alternative sha512 optional

Ron Eldor · Ron Eldor · commit 6b17df768563 · 2019-07-08T18:32:18.000+03:00
Have the alternative sha512 undefined by default,
in order not to break backwards compatability.
diff --git a/features/cryptocell/FEATURE_CRYPTOCELL310/mbedtls_device.h b/features/cryptocell/FEATURE_CRYPTOCELL310/mbedtls_device.h
@@ -24,7 +24,7 @@
 #define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT
 #define MBEDTLS_SHA1_ALT
 #define MBEDTLS_SHA256_ALT
-#define MBEDTLS_SHA512_ALT
+//#define MBEDTLS_SHA512_ALT
 #define MBEDTLS_CCM_ALT
 #define MBEDTLS_ECDSA_VERIFY_ALT
 #define MBEDTLS_ECDSA_SIGN_ALT
