dt-bindings: Fix missing '/schemas' in $ref paths

Absolute paths in $ref should always begin with '/schemas'. The tools
mostly work with it omitted, but for correctness the path should be
everything except the hostname as that is taken from the schema's $id
value. This scheme is defined in the json-schema spec.

Cc: Hector Martin <marcan@marcan.st>
Cc: Sven Peter <sven@svenpeter.dev>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mukesh Savaliya <msavaliy@codeaurora.org>
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Bayi Cheng <bayi.cheng@mediatek.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: Min Guo <min.guo@mediatek.com>
Cc: netdev@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@debian.org>
Link: https://lore.kernel.org/r/20220325215652.525383-1-robh@kernel.org

Documentation/devicetree/bindings/arm/apple/apple,pmgr.yaml

@@ -42,7 +42,7 @@ patternProperties:
     description:
       The individual power management domains within this controller
     type: object
-    $ref: /power/apple,pmgr-pwrstate.yaml#
+    $ref: /schemas/power/apple,pmgr-pwrstate.yaml#
 
 required:
   - compatible

Documentation/devicetree/bindings/net/dsa/dsa-port.yaml

@@ -15,7 +15,7 @@ description:
   Ethernet switch port Description
 
 allOf:
-  - $ref: "http://devicetree.org/schemas/net/ethernet-controller.yaml#"
+  - $ref: /schemas/net/ethernet-controller.yaml#
 
 properties:
   reg:

Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml

@@ -103,7 +103,7 @@ patternProperties:
                  supports up to 50MHz, up to four chip selects, programmable
                  data path from 4 bits to 32 bits and numerous protocol
                  variants.
-    $ref: /spi/spi-controller.yaml#
+    $ref: /schemas/spi/spi-controller.yaml#
 
     properties:
       compatible:

Documentation/devicetree/bindings/spi/mediatek,spi-mtk-nor.yaml

@@ -18,7 +18,7 @@ description: |
   capability of this controller.
 
 allOf:
-  - $ref: /spi/spi-controller.yaml#
+  - $ref: /schemas/spi/spi-controller.yaml#
 
 properties:
   compatible:

Documentation/devicetree/bindings/spi/qcom,spi-qcom-qspi.yaml

@@ -16,7 +16,7 @@ description: The QSPI controller allows SPI protocol communication in single,
   as NOR flash.
 
 allOf:
-  - $ref: /spi/spi-controller.yaml#
+  - $ref: /schemas/spi/spi-controller.yaml#
 
 properties:
   compatible:

Documentation/devicetree/bindings/spi/sprd,spi-adi.yaml

@@ -44,7 +44,7 @@ description: |
   compatibility.
 
 allOf:
-  - $ref: /spi/spi-controller.yaml#
+  - $ref: /schemas/spi/spi-controller.yaml#
 
 properties:
   compatible:

Documentation/devicetree/bindings/usb/mediatek,mtu3.yaml

@@ -132,7 +132,7 @@ properties:
     default: host
 
   connector:
-    $ref: /connector/usb-connector.yaml#
+    $ref: /schemas/connector/usb-connector.yaml#
     description:
       Connector for dual role switch, especially for "gpio-usb-b-connector"
     type: object
@@ -191,7 +191,7 @@ properties:
 patternProperties:
   "^usb@[0-9a-f]+$":
     type: object
-    $ref: /usb/mediatek,mtk-xhci.yaml#
+    $ref: /schemas/usb/mediatek,mtk-xhci.yaml#
     description:
       The xhci should be added as subnode to mtu3 as shown in the following
       example if the host mode is enabled.

Documentation/devicetree/bindings/usb/mediatek,musb.yaml

@@ -63,7 +63,7 @@ properties:
     maxItems: 1
 
   connector:
-    $ref: /connector/usb-connector.yaml#
+    $ref: /schemas/connector/usb-connector.yaml#
     description: Connector for dual role switch
     type: object