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

Enable the SLPI DSP on the Oneplus 6 phone with a Qualcomm SDM845 SoC.
Signed-off-by: Dylan Van Assche <me@dylanvanassche.be>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230406173148.28309-5-me@dylanvanassche.be

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

@@ -550,6 +550,11 @@ &qup_uart9_tx {
 	bias-disable;
 };
 
+&slpi_pas {
+	firmware-name = "qcom/sdm845/oneplus6/slpi.mbn";
+	status = "okay";
+};
+
 &sound {
 	compatible = "qcom,sdm845-sndcard";
 	pinctrl-0 = <&quat_mi2s_active &quat_mi2s_sd0_active &quat_mi2s_sd1_active>;