dt-bindings: arm: qcom: Document samsung,milletwifi device

Add binding documentation for Samsung Galaxy Tab 4 8.0 Wi-Fi
tablet which is based on Snapdragon 400 (apq8026) SoC.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Bryant Mairs <bryant@mai.rs>
Link: https://lore.kernel.org/r/20240219214643.197116-2-bryant@mai.rsSigned-off-by: Bjorn Andersson <andersson@kernel.org>

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -104,6 +104,7 @@ properties:
               - huawei,sturgeon
               - lg,lenok
               - samsung,matisse-wifi
+              - samsung,milletwifi
           - const: qcom,apq8026
 
       - items: