license "refactor" :)

zephcore/boards/linux_native/femtofox.overlay

@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: MIT
  *
  * Femtofox (Luckfox Pico Mini RV1103 + Ebyte E22-900M30S, SX1262 TCXO) wiring.
  * Auto-paired with femtofox.conf. Defines the native_linux SPI/GPIO controllers

zephcore/boards/linux_native/linux_common.overlay

@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: MIT
  *
  * ZephCore native Linux PLATFORM overlay (auto-paired with linux_common.conf,
  * applied automatically for BOARD=native_sim).

zephcore/boards/linux_native/rak6421.overlay

@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: MIT
  *
  * RAK6421 WisBlock Pi HAT + RAK13300/RAK13302 (SX1262), IO Slot 1.
  * Auto-paired with rak6421.conf. Defines the native_linux SPI/GPIO controllers

zephcore/boards/linux_native/rak6421_pi5.overlay

@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier: Apache-2.0
+ * SPDX-License-Identifier: MIT
  *
  * RAK6421 WisBlock Pi HAT + RAK13300/RAK13302 (SX1262), IO Slot 1, on Pi 5.
  * Auto-paired with rak6421_pi5.conf. Identical to rak6421.overlay except the