arm: dts: mediatek: Get rid of mediatek, larb for MM nodes

After adding device_link between the IOMMU consumer and smi, the
mediatek,larb is unnecessary now.

CC: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Evan Green <evgreen@chromium.org>
Tested-by: Frank Wunderlich <frank-w@public-files.de> # BPI-R2/MT7623
Link: https://lore.kernel.org/r/20220421035111.7267-2-allen-kh.cheng@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

Author: YongWu-HF

arch/arm/boot/dts/mt2701.dtsi

@@ -564,7 +564,6 @@
 		clock-names = "jpgdec-smi",
 			      "jpgdec";
 		power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
-		mediatek,larb = <&larb2>;
 		iommus = <&iommu MT2701_M4U_PORT_JPGDEC_WDMA>,
 			 <&iommu MT2701_M4U_PORT_JPGDEC_BSDMA>;
 	};
@@ -577,7 +576,6 @@
 		clocks =  <&imgsys CLK_IMG_VENC>;
 		clock-names = "jpgenc";
 		power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
-		mediatek,larb = <&larb2>;
 		iommus = <&iommu MT2701_M4U_PORT_JPGENC_RDMA>,
 			 <&iommu MT2701_M4U_PORT_JPGENC_BSDMA>;
 	};

arch/arm/boot/dts/mt7623n.dtsi

@@ -121,7 +121,6 @@
 		clock-names = "jpgdec-smi",
 			      "jpgdec";
 		power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
-		mediatek,larb = <&larb2>;
 		iommus = <&iommu MT2701_M4U_PORT_JPGDEC_WDMA>,
 			 <&iommu MT2701_M4U_PORT_JPGDEC_BSDMA>;
 	};
@@ -144,7 +143,6 @@
 		interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&mmsys CLK_MM_DISP_OVL>;
 		iommus = <&iommu MT2701_M4U_PORT_DISP_OVL_0>;
-		mediatek,larb = <&larb0>;
 	};
 
 	rdma0: rdma@14008000 {
@@ -154,7 +152,6 @@
 		interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&mmsys CLK_MM_DISP_RDMA>;
 		iommus = <&iommu MT2701_M4U_PORT_DISP_RDMA>;
-		mediatek,larb = <&larb0>;
 	};
 
 	wdma@14009000 {
@@ -164,7 +161,6 @@
 		interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&mmsys CLK_MM_DISP_WDMA>;
 		iommus = <&iommu MT2701_M4U_PORT_DISP_WDMA>;
-		mediatek,larb = <&larb0>;
 	};
 
 	bls: pwm@1400a000 {
@@ -215,7 +211,6 @@
 		interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&mmsys CLK_MM_DISP_RDMA1>;
 		iommus = <&iommu MT2701_M4U_PORT_DISP_RDMA1>;
-		mediatek,larb = <&larb0>;
 	};
 
 	dpi0: dpi@14014000 {