dt-bindings: mfd: brcm: Drop unneeded quotes and use absolute /schemas path

Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.  Also absolute path
starting with /schemas is preferred.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230713065040.7968-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/mfd/brcm,bcm6318-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm6318-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm6318-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in

Documentation/devicetree/bindings/mfd/brcm,bcm63268-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm63268-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm63268-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in

Documentation/devicetree/bindings/mfd/brcm,bcm6328-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm6328-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm6328-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in

Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm6358-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm6358-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in

Documentation/devicetree/bindings/mfd/brcm,bcm6362-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm6362-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm6362-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in

Documentation/devicetree/bindings/mfd/brcm,bcm6368-gpio-sysctl.yaml

@@ -35,7 +35,7 @@ patternProperties:
   "^gpio@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
+    $ref: /schemas/gpio/brcm,bcm63xx-gpio.yaml
     description:
       GPIO controller for the SoC GPIOs. This child node definition
       should follow the bindings specified in
@@ -44,7 +44,7 @@ patternProperties:
   "^pinctrl@[0-9a-f]+$":
     # Child node
     type: object
-    $ref: "../pinctrl/brcm,bcm6368-pinctrl.yaml"
+    $ref: /schemas/pinctrl/brcm,bcm6368-pinctrl.yaml
     description:
       Pin controller for the SoC pins. This child node definition
       should follow the bindings specified in