media: dt-bindings: media: nxp,imx7-mipi-csi2: Indent example with 4 spaces

DT bindings examples are customarily indented with 4 spaces.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/nxp,imx7-mipi-csi2.yaml

@@ -102,41 +102,41 @@ examples:
     #include <dt-bindings/reset/imx7-reset.h>
 
     mipi_csi: mipi-csi@30750000 {
-            compatible = "fsl,imx7-mipi-csi2";
-            reg = <0x30750000 0x10000>;
-            interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
-
-            clocks = <&clks IMX7D_IPG_ROOT_CLK>,
-                     <&clks IMX7D_MIPI_CSI_ROOT_CLK>,
-                     <&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
-            clock-names = "pclk", "wrap", "phy";
-            clock-frequency = <166000000>;
-
-            power-domains = <&pgc_mipi_phy>;
-            phy-supply = <&reg_1p0d>;
-            resets = <&src IMX7_RESET_MIPI_PHY_MRST>;
-
-            ports {
-                    #address-cells = <1>;
-                    #size-cells = <0>;
-
-                    port@0 {
-                            reg = <0>;
-
-                            mipi_from_sensor: endpoint {
-                                    remote-endpoint = <&ov2680_to_mipi>;
-                                    data-lanes = <1>;
-                            };
-                    };
-
-                    port@1 {
-                            reg = <1>;
-
-                            mipi_vc0_to_csi_mux: endpoint {
-                                    remote-endpoint = <&csi_mux_from_mipi_vc0>;
-                            };
-                    };
+        compatible = "fsl,imx7-mipi-csi2";
+        reg = <0x30750000 0x10000>;
+        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+
+        clocks = <&clks IMX7D_IPG_ROOT_CLK>,
+                 <&clks IMX7D_MIPI_CSI_ROOT_CLK>,
+                 <&clks IMX7D_MIPI_DPHY_ROOT_CLK>;
+        clock-names = "pclk", "wrap", "phy";
+        clock-frequency = <166000000>;
+
+        power-domains = <&pgc_mipi_phy>;
+        phy-supply = <&reg_1p0d>;
+        resets = <&src IMX7_RESET_MIPI_PHY_MRST>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+
+                mipi_from_sensor: endpoint {
+                    remote-endpoint = <&ov2680_to_mipi>;
+                    data-lanes = <1>;
+                };
             };
+
+            port@1 {
+                reg = <1>;
+
+                mipi_vc0_to_csi_mux: endpoint {
+                    remote-endpoint = <&csi_mux_from_mipi_vc0>;
+                };
+            };
+        };
     };
 
 ...