dt-bindings: can: renesas,rcar-canfd: Fix typo in pattern properties for R-Car V4M

The Renesas R-Car V4M(R8A779H0) SoC, supports up to four channels.
Fix the typo 5->4 in pattern properties.

Fixes: ced52c6 ("dt-bindings: can: renesas,rcar-canfd: Document R-Car V4M support")
Cc: [email protected]
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: "Rob Herring (Arm)" <[email protected]>
Signed-off-by: Biju Das <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Marc Kleine-Budde <[email protected]>

Author: bijudas

Documentation/devicetree/bindings/net/can/renesas,rcar-canfd.yaml

@@ -170,7 +170,7 @@ allOf:
             const: renesas,r8a779h0-canfd
     then:
       patternProperties:
-        "^channel[5-7]$": false
+        "^channel[4-7]$": false
     else:
       if:
         not: