dt-bindings: panel: ili9341: correct indentation

Correct indentation warning:
ilitek,ili9341.yaml:25:9: [warning] wrong indentation: expected 10 but found 8 (indentation)

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Sam Ravnborg <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
(cherry picked from commit 333ba0d9d5d5a2cf1f6bbb754045e4f2cb3ed22d)
Link: https://lore.kernel.org/dri-devel/[e-mail]/
Signed-off-by: Maxime Ripard <[e-mail]>
Signed-off-by: Maarten Lankhorst <[e-mail]>

Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml

···
     items:
       - enum:
           # ili9341 240*320 Color on stm32f429-disco board
-        - st,sf-tc240t-9370-t
+          - st,sf-tc240t-9370-t
       - const: ilitek,ili9341
 
   reg: true