arm64: dts: sc7180: Add Venus firmware subnode

This adds Venus firmware subnode for non-TZ platform.
Reviewed-by: NStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: NDikshita Agarwal <dikshita@codeaurora.org>
Link: https://lore.kernel.org/r/1579006416-11599-5-git-send-email-dikshita@codeaurora.orgSigned-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sc7180-idp.dts

@@ -321,6 +321,12 @@
 	vdda-pll-supply = <&vreg_l4a_0p8>;
 };
 
+&venus {
+	video-firmware {
+		iommus = <&apps_smmu 0x0c42 0x0>;
+	};
+};
+
 /* PINCTRL - additions to nodes defined in sc7180.dtsi */
 
 &qspi_clk {