arm64: dts: qcom: sdm845-oneplus: enable rradc

Enable the RRADC for the OnePlus 6.
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221016180330.1912214-3-caleb.connolly@linaro.org

arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi

@@ -461,6 +461,10 @@ pinconf {
 	};
 };
 
+&pmi8998_rradc {
+	status = "okay";
+};
+
 &qupv3_id_1 {
 	status = "okay";
 };