boards: frdm_mcxaxx6: add frdm_mcxa366 board

1. the three boards share the same board schematic
   - frdm_mcxa266, frdm_mcxa346, frdm_mcxa366
2. board dts,kconfig and cmake file could share
3. add MCXA366 soc and frdm_mcxa366 board

Signed-off-by: Peter Wang <[email protected]>

Author: peterwangsz

boards/nxp/frdm_mcxa266/Kconfig

@@ -0,0 +1,7 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_NEEDS_EARLY_HOOK
+	bool
+	default y if BOARD_FRDM_MCXA266 || BOARD_FRDM_MCXA346 || BOARD_FRDM_MCXA366
+	select BOARD_EARLY_INIT_HOOK