dt-bindings: reset: syscon-reboot: Allow both 'reg' and 'offset'

For compatibility, it is necessary to support both 'reg' and 'offset' at
the same time.

Link: https://patch.msgid.link/20251215212648.3320333-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml

@@ -79,7 +79,7 @@ allOf:
         required:
           - value
 
-      oneOf:
+      anyOf:
         - required: [offset]
         - required: [reg]