add license information

src/core/crypto/aes_util_openssl.cpp

@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifdef YUZU_USE_OPENSSL_CRYPTO
 
 #include <map>

src/core/crypto/crypto.h

@@ -1,3 +1,7 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #pragma once
 
 #include <cstdlib>

src/core/crypto/crypto_mbedtls.cpp

@@ -1,3 +1,7 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifdef YUZU_USE_MBEDTLS_CRYPTO
 
 #include <mbedtls/bignum.h>

src/core/crypto/crypto_openssl.cpp

@@ -1,3 +1,7 @@
+// Copyright 2021 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
 #ifdef YUZU_USE_OPENSSL_CRYPTO
 
 #include <openssl/bn.h>

src/tests/core/crypto.cpp

@@ -1,3 +1,6 @@
+// Copyright 2021 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
 
 #include <catch2/catch.hpp>