dt-bindings: Add devicetree bindings

Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>

bindings/arm/nxp/lpc32xx.yaml

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/nxp/lpc32xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC32xx Platforms Device Tree Bindings
+
+maintainers:
+  - Roland Stigge <stigge@antcom.de>
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - nxp,lpc3220
+          - nxp,lpc3230
+          - nxp,lpc3240
+      - items:
+          - enum:
+              - ea,ea3250
+              - phytec,phy3250
+          - const: nxp,lpc3250
+
+additionalProperties: true
+...