dts: bindings: flash_controller: add nxp,kinetis-ftfc.yaml

- add nxp,kinetis-ftfc.yaml for mcxe24x flash controller

Signed-off-by: Lucien Zhao <[email protected]>

Author: lucien-nxp

dts/bindings/flash_controller/nxp,kinetis-ftfc.yaml

@@ -0,0 +1,22 @@
+# Copyright 2025 NXP
+# SPDX-License-Identifier: Apache-2.0
+
+description: NXP Kinetis Flash Memory Module C (FTFC)
+
+compatible: "nxp,kinetis-ftfc"
+
+include: flash-controller.yaml
+
+properties:
+  fsec:
+    type: int
+    description: |
+      Configures the reset value of the FSEC register, which includes
+      backdoor key access, mass erase, factory access, and flash security
+      options.
+
+  fopt:
+    type: int
+    description: |
+      Configures the reset value of the FOPT register, which includes boot,
+      NMI, and EzPort options.