dt-bindings: pinctrl: qcom,sm6375-pinctrl: fix indentation in example

Bindings example should be indented with 4-spaces.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220912061746.6311-13-krzysztof.kozlowski@linaro.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml

@@ -134,34 +134,34 @@ $defs:
 
 examples:
   - |
-        #include <dt-bindings/interrupt-controller/arm-gic.h>
-        pinctrl@500000 {
-                compatible = "qcom,sm6375-tlmm";
-                reg = <0x00500000 0x800000>;
-                interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
-                gpio-controller;
-                #gpio-cells = <2>;
-                interrupt-controller;
-                #interrupt-cells = <2>;
-                gpio-ranges = <&tlmm 0 0 157>;
-
-                gpio-wo-subnode-state {
-                        pins = "gpio1";
-                        function = "gpio";
-                };
-
-                uart-w-subnodes-state {
-                        rx-pins {
-                                pins = "gpio18";
-                                function = "qup13_f2";
-                                bias-pull-up;
-                        };
-
-                        tx-pins {
-                                pins = "gpio19";
-                                function = "qup13_f2";
-                                bias-disable;
-                        };
-                };
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    pinctrl@500000 {
+        compatible = "qcom,sm6375-tlmm";
+        reg = <0x00500000 0x800000>;
+        interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 157>;
+
+        gpio-wo-subnode-state {
+            pins = "gpio1";
+            function = "gpio";
         };
+
+        uart-w-subnodes-state {
+            rx-pins {
+                pins = "gpio18";
+                function = "qup13_f2";
+                bias-pull-up;
+            };
+
+            tx-pins {
+                pins = "gpio19";
+                function = "qup13_f2";
+                bias-disable;
+            };
+        };
+    };
 ...