dt-bindings: add vendor prefix for YIC System Co., Ltd

Add vendor prefix for YIC System Co., Ltd (http://www.yicsystem.com).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210315124423.115039-2-krzysztof.kozlowski@canonical.comSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -1270,6 +1270,8 @@ patternProperties:
     description: Yamaha Corporation
   "^yes-optoelectronics,.*":
     description: Yes Optoelectronics Co.,Ltd.
+  "^yic,.*":
+    description: YIC System Co., Ltd.
   "^ylm,.*":
     description: Shenzhen Yangliming Electronic Technology Co., Ltd.
   "^yna,.*":