Relicense to BSD 2-Clause to align better with the RISC-V community

src/instructions/macros.rs

@@ -1,5 +1,5 @@
 // Copyright (c) 2025 taitep
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: BSD-2-Clause
 //
 // This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
 // See LICENSE file in the project root for full license text.

src/instructions/rvi.rs

@@ -1,5 +1,5 @@
 // Copyright (c) 2025 taitep
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: BSD-2-Clause
 //
 // This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
 // See LICENSE file in the project root for full license text.

src/instructions/rvi/mem.rs

@@ -1,5 +1,5 @@
 // Copyright (c) 2025 taitep
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: BSD-2-Clause
 //
 // This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
 // See LICENSE file in the project root for full license text.