dt-bindings: msm: dsi-controller-main: Fix description of core clock

There's a typo in describing the core clock as an 'escape' clock. The
accurate description is 'core'.

Fixes: 4dbe55c9 ("dt-bindings: msm: dsi: add yaml schemas for DSI bindings")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/515938/
Link: https://lore.kernel.org/r/20221223021025.1646636-4-bryan.odonoghue@linaro.orgSigned-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>

Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml

@@ -32,7 +32,7 @@ properties:
       - description: Display byte clock
       - description: Display byte interface clock
       - description: Display pixel clock
-      - description: Display escape clock
+      - description: Display core clock
       - description: Display AHB clock
       - description: Display AXI clock