arm64: dts: qcom: sm8550-qrd: enable IPA

Enable IPA on the SM8550 QRD.  The GSI firmware on this platform is
loaded by the AP.
Signed-off-by: Alex Elder <elder@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20231124181718.915208-3-elder@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sm8550-qrd.dts

@@ -585,6 +585,13 @@ fsa4480_sbu_mux: endpoint {
 	};
 };
 
+&ipa {
+	qcom,gsi-loader = "self";
+	memory-region = <&ipa_fw_mem>;
+	firmware-name = "qcom/sm8550/ipa_fws.mbn";
+	status = "okay";
+};
+
 &gcc {
 	clocks = <&bi_tcxo_div2>, <&sleep_clk>,
 		 <&pcie0_phy>,