dt-bindings: ipmi: aspeed,ast2400-kcs-bmc: drop unneeded quotes

Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <20230609140729.64799-1-krzysztof.kozlowski@linaro.org>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Corey Minyard <minyard@acm.org>

Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml

@@ -41,7 +41,7 @@ properties:
       - description: STR register
 
   aspeed,lpc-io-reg:
-    $ref: '/schemas/types.yaml#/definitions/uint32-array'
+    $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 1
     maxItems: 2
     description: |
@@ -50,7 +50,7 @@ properties:
       status address may be optionally provided.
 
   aspeed,lpc-interrupts:
-    $ref: "/schemas/types.yaml#/definitions/uint32-array"
+    $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 2
     maxItems: 2
     description: |
@@ -63,12 +63,12 @@ properties:
 
   kcs_chan:
     deprecated: true
-    $ref: '/schemas/types.yaml#/definitions/uint32'
+    $ref: /schemas/types.yaml#/definitions/uint32
     description: The LPC channel number in the controller
 
   kcs_addr:
     deprecated: true
-    $ref: '/schemas/types.yaml#/definitions/uint32'
+    $ref: /schemas/types.yaml#/definitions/uint32
     description: The host CPU IO map address
 
 required: