Now only compiles full EIP-712 support for capable devices

src_features/signMessageEIP712/mem_utils.h

@@ -1,6 +1,8 @@
 #ifndef MEM_UTILS_H_
 #define MEM_UTILS_H_
 
+#ifdef HAVE_EIP712_FULL_SUPPORT
+
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -11,4 +13,6 @@ void *mem_alloc_and_copy(const void *data, size_t size);
 char *mem_alloc_and_format_uint(uint32_t value, uint8_t *const written_chars);
 void *mem_alloc_and_align(size_t size, size_t alignment);
 
+#endif // HAVE_EIP712_FULL_SUPPORT
+
 #endif // MEM_UTILS_H_