dt-bindings: timer: exynos4210-mct: Add compatible for ARTPEC-9 SoC

Add Axis ARTPEC-9 mct compatible to the bindings documentation.
The design for the timer is reused from previous Samsung SoCs
like exynos4210 and ARTPEC-8.

Signed-off-by: SungMin Park <[email protected]>
Signed-off-by: Ravi Patel <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: SungMin Park

Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml

@@ -26,6 +26,7 @@ properties:
       - items:
           - enum:
               - axis,artpec8-mct
+              - axis,artpec9-mct
               - google,gs101-mct
               - samsung,exynos2200-mct-peris
               - samsung,exynos3250-mct
@@ -131,6 +132,7 @@ allOf:
           contains:
             enum:
               - axis,artpec8-mct
+              - axis,artpec9-mct
               - google,gs101-mct
               - samsung,exynos2200-mct-peris
               - samsung,exynos5260-mct