dt-bindings: dma: cleanup examples - indentation, lowercase hex

Cleanup examples:
 - use 4-space indentation (for cases when it is neither 4 not 2 space),
 - use lowercase hex,
 - drop unused node's label.
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: NRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230124081117.31186-2-krzysztof.kozlowski@linaro.orgSigned-off-by: NVinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

@@ -113,21 +113,21 @@ additionalProperties: false
 
 examples:
   - |
-     #include <dt-bindings/interrupt-controller/arm-gic.h>
-     #include <dt-bindings/interrupt-controller/irq.h>
-     /* example with snps,dw-axi-dmac */
-     dmac: dma-controller@80000 {
-         compatible = "snps,axi-dma-1.01a";
-         reg = <0x80000 0x400>;
-         clocks = <&core_clk>, <&cfgr_clk>;
-         clock-names = "core-clk", "cfgr-clk";
-         interrupt-parent = <&intc>;
-         interrupts = <27>;
-         #dma-cells = <1>;
-         dma-channels = <4>;
-         snps,dma-masters = <2>;
-         snps,data-width = <3>;
-         snps,block-size = <4096 4096 4096 4096>;
-         snps,priority = <0 1 2 3>;
-         snps,axi-max-burst-len = <16>;
-     };
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    /* example with snps,dw-axi-dmac */
+    dma-controller@80000 {
+        compatible = "snps,axi-dma-1.01a";
+        reg = <0x80000 0x400>;
+        clocks = <&core_clk>, <&cfgr_clk>;
+        clock-names = "core-clk", "cfgr-clk";
+        interrupt-parent = <&intc>;
+        interrupts = <27>;
+        #dma-cells = <1>;
+        dma-channels = <4>;
+        snps,dma-masters = <2>;
+        snps,data-width = <3>;
+        snps,block-size = <4096 4096 4096 4096>;
+        snps,priority = <0 1 2 3>;
+        snps,axi-max-burst-len = <16>;
+    };

Documentation/devicetree/bindings/dma/stericsson,dma40.yaml

@@ -147,13 +147,13 @@ examples:
     #include <dt-bindings/interrupt-controller/irq.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/mfd/dbx500-prcmu.h>
-    dma-controller@801C0000 {
-      compatible = "stericsson,db8500-dma40", "stericsson,dma40";
-      reg = <0x801C0000 0x1000>, <0x40010000 0x800>;
-      reg-names = "base", "lcpa";
-      interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
-      #dma-cells = <3>;
-      memcpy-channels = <56 57 58 59 60>;
-      clocks = <&prcmu_clk PRCMU_DMACLK>;
+    dma-controller@801c0000 {
+        compatible = "stericsson,db8500-dma40", "stericsson,dma40";
+        reg = <0x801c0000 0x1000>, <0x40010000 0x800>;
+        reg-names = "base", "lcpa";
+        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+        #dma-cells = <3>;
+        memcpy-channels = <56 57 58 59 60>;
+        clocks = <&prcmu_clk PRCMU_DMACLK>;
     };
 ...