arm64: dts: qcom: sm8350: drop incorrect cells from serial

The serial/UART device node does not have children with unit addresses,
so address/size cells are not correct.

Fixes: cf03cd7e ("arm64: dts: qcom: sm8350: Set up WRAP0 QUPs")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230124084951.38195-2-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sm8350.dtsi

@@ -1031,8 +1031,6 @@ uart2: serial@98c000 {
 				interrupts = <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>;
 				power-domains = <&rpmhpd SM8350_CX>;
 				operating-points-v2 = <&qup_opp_table_100mhz>;
-				#address-cells = <1>;
-				#size-cells = <0>;
 				status = "disabled";
 			};