Now only compiles full EIP-712 support for capable devices

src_features/signMessageEIP712/field_hash.h

@@ -1,6 +1,8 @@
 #ifndef FIELD_HASH_H_
 #define FIELD_HASH_H_
 
+#ifdef HAVE_EIP712_FULL_SUPPORT
+
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -23,4 +25,7 @@ void field_hash_deinit(void);
 bool field_hash(const uint8_t *data,
                 uint8_t data_length,
                 bool partial);
+
+#endif // HAVE_EIP712_FULL_SUPPORT
+
 #endif // FIELD_HASH_H_