dt-bindings: power: reset: Change 'additionalProperties' to true

Change 'additionalProperties' to true as this is a generic binding.
Signed-off-by: Nsatya priya <skakit@codeaurora.org>
Acked-by: NRob Herring <robh@kernel.org>
Reviewed-by: NSebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: NStephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1620800053-26405-4-git-send-email-skakit@codeaurora.orgSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

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

@@ -36,7 +36,7 @@ patternProperties:
   "^mode-.*$":
     $ref: /schemas/types.yaml#/definitions/uint32
 
-additionalProperties: false
+additionalProperties: true
 
 examples:
   - |