ARM: dts: qcom: mdm9615: remove useless amba subnode

The separate amba device node doesn't add anything significant to the
DT. The OF parsing code already creates amba_device or platform_device
depending on the compatibility lists.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220928-mdm9615-dt-schema-fixes-v4-11-dac2dfaac703@linaro.org

arch/arm/boot/dts/qcom-mdm9615.dtsi

@@ -314,49 +314,43 @@ sdcc2bam: dma-controller@12142000{
 			qcom,ee = <0>;
 		};
 
-		amba {
-			compatible = "simple-bus";
-			#address-cells = <1>;
-			#size-cells = <1>;
-			ranges;
-			sdcc1: mmc@12180000 {
-				status = "disabled";
-				compatible = "arm,pl18x", "arm,primecell";
-				arm,primecell-periphid = <0x00051180>;
-				reg = <0x12180000 0x2000>;
-				interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&gcc SDC1_CLK>, <&gcc SDC1_H_CLK>;
-				clock-names = "mclk", "apb_pclk";
-				bus-width = <8>;
-				max-frequency = <48000000>;
-				cap-sd-highspeed;
-				cap-mmc-highspeed;
-				vmmc-supply = <&vsdcc_fixed>;
-				dmas = <&sdcc1bam 2>, <&sdcc1bam 1>;
-				dma-names = "tx", "rx";
-				assigned-clocks = <&gcc SDC1_CLK>;
-				assigned-clock-rates = <400000>;
-			};
+		sdcc1: mmc@12180000 {
+			status = "disabled";
+			compatible = "arm,pl18x", "arm,primecell";
+			arm,primecell-periphid = <0x00051180>;
+			reg = <0x12180000 0x2000>;
+			interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc SDC1_CLK>, <&gcc SDC1_H_CLK>;
+			clock-names = "mclk", "apb_pclk";
+			bus-width = <8>;
+			max-frequency = <48000000>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			vmmc-supply = <&vsdcc_fixed>;
+			dmas = <&sdcc1bam 2>, <&sdcc1bam 1>;
+			dma-names = "tx", "rx";
+			assigned-clocks = <&gcc SDC1_CLK>;
+			assigned-clock-rates = <400000>;
+		};
 
-			sdcc2: mmc@12140000 {
-				compatible = "arm,pl18x", "arm,primecell";
-				arm,primecell-periphid = <0x00051180>;
-				status = "disabled";
-				reg = <0x12140000 0x2000>;
-				interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
-				clocks = <&gcc SDC2_CLK>, <&gcc SDC2_H_CLK>;
-				clock-names = "mclk", "apb_pclk";
-				bus-width = <4>;
-				cap-sd-highspeed;
-				cap-mmc-highspeed;
-				max-frequency = <48000000>;
-				no-1-8-v;
-				vmmc-supply = <&vsdcc_fixed>;
-				dmas = <&sdcc2bam 2>, <&sdcc2bam 1>;
-				dma-names = "tx", "rx";
-				assigned-clocks = <&gcc SDC2_CLK>;
-				assigned-clock-rates = <400000>;
-			};
+		sdcc2: mmc@12140000 {
+			compatible = "arm,pl18x", "arm,primecell";
+			arm,primecell-periphid = <0x00051180>;
+			status = "disabled";
+			reg = <0x12140000 0x2000>;
+			interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc SDC2_CLK>, <&gcc SDC2_H_CLK>;
+			clock-names = "mclk", "apb_pclk";
+			bus-width = <4>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			max-frequency = <48000000>;
+			no-1-8-v;
+			vmmc-supply = <&vsdcc_fixed>;
+			dmas = <&sdcc2bam 2>, <&sdcc2bam 1>;
+			dma-names = "tx", "rx";
+			assigned-clocks = <&gcc SDC2_CLK>;
+			assigned-clock-rates = <400000>;
 		};
 
 		tcsr: syscon@1a400000 {