[PATCH] spi: dt-bindings: spi-controller: correct example indentation

[Krzysztof Kozlowski]

Example DTS mixed two with four-space indentation.  Preferred is four
spaces, for readability.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/spi/spi-controller.yaml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index e105faec937d..655713fba7e2 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -150,9 +150,9 @@ examples:
         };
 
         flash@2 {
-          compatible = "jedec,spi-nor";
-          spi-max-frequency = <50000000>;
-          reg = <2>, <3>;
-          stacked-memories = /bits/ 64 <0x10000000 0x10000000>;
+            compatible = "jedec,spi-nor";
+            spi-max-frequency = <50000000>;
+            reg = <2>, <3>;
+            stacked-memories = /bits/ 64 <0x10000000 0x10000000>;
         };
     };
-- 
2.34.1