dt-bindings: pinctrl: qcom,sdx55: fix indentation in example

Bindings example should be indented with 4-spaces.
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221016170035.35014-31-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,sdx55-pinctrl.yaml

@@ -113,23 +113,23 @@ additionalProperties: false
 
 examples:
   - |
-        #include <dt-bindings/interrupt-controller/arm-gic.h>
-        tlmm: pinctrl@1f00000 {
-                compatible = "qcom,sdx55-pinctrl";
-                reg = <0x0f100000 0x300000>;
-                gpio-controller;
-                #gpio-cells = <2>;
-                gpio-ranges = <&tlmm 0 0 108>;
-                interrupt-controller;
-                #interrupt-cells = <2>;
-                interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
-
-                serial-state {
-                        pins = "gpio8", "gpio9";
-                        function = "blsp_uart3";
-                        drive-strength = <8>;
-                        bias-disable;
-                };
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    tlmm: pinctrl@1f00000 {
+        compatible = "qcom,sdx55-pinctrl";
+        reg = <0x0f100000 0x300000>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 108>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
+
+        serial-state {
+            pins = "gpio8", "gpio9";
+            function = "blsp_uart3";
+            drive-strength = <8>;
+            bias-disable;
         };
+    };
 
 ...