dts: binding: adc: Add kb1200 adc

A new adc controller addition

Signed-off-by: Steven Chang <steven@ene.com.tw>

dts/bindings/adc/ene,kb1200-adc.yaml

@@ -0,0 +1,24 @@
+# Copyright (c) 2024 ENE Technology Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+description: ENE KB1200 ADC controller
+
+compatible: "ene,kb1200-adc"
+
+include: [adc-controller.yaml, pinctrl-device.yaml]
+
+properties:
+  reg:
+    required: true
+
+  "#io-channel-cells":
+    const: 1
+
+  pinctrl-0:
+    required: true
+
+  pinctrl-names:
+    required: true
+
+io-channel-cells:
+  - input