dt-bindings: PCI: dwc: Remove bus node from the examples

It's absolutely redundant seeing by default each node is embedded into its
own example-X node with address and size cells set to 1.

Link: https://lore.kernel.org/r/20221113191301.5526-5-Sergey.Semin@baikalelectronics.ruSigned-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml

@@ -46,14 +46,10 @@ additionalProperties: true
 
 examples:
   - |
-    bus {
-      #address-cells = <1>;
-      #size-cells = <1>;
-      pcie-ep@dfd00000 {
-        compatible = "snps,dw-pcie-ep";
-        reg = <0xdfc00000 0x0001000>, /* IP registers 1 */
-              <0xdfc01000 0x0001000>, /* IP registers 2 */
-              <0xd0000000 0x2000000>; /* Configuration space */
-        reg-names = "dbi", "dbi2", "addr_space";
-      };
+    pcie-ep@dfd00000 {
+      compatible = "snps,dw-pcie-ep";
+      reg = <0xdfc00000 0x0001000>, /* IP registers 1 */
+            <0xdfc01000 0x0001000>, /* IP registers 2 */
+            <0xd0000000 0x2000000>; /* Configuration space */
+      reg-names = "dbi", "dbi2", "addr_space";
     };

Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml

@@ -53,21 +53,22 @@ required:
 
 examples:
   - |
-    bus {
-      #address-cells = <1>;
-      #size-cells = <1>;
-      pcie@dfc00000 {
-        device_type = "pci";
-        compatible = "snps,dw-pcie";
-        reg = <0xdfc00000 0x0001000>, /* IP registers */
-              <0xd0000000 0x0002000>; /* Configuration space */
-        reg-names = "dbi", "config";
-        #address-cells = <3>;
-        #size-cells = <2>;
-        ranges = <0x81000000 0 0x00000000 0xde000000 0 0x00010000>,
-                 <0x82000000 0 0xd0400000 0xd0400000 0 0x0d000000>;
-        interrupts = <25>, <24>;
-        #interrupt-cells = <1>;
-        num-lanes = <1>;
-      };
+    pcie@dfc00000 {
+      compatible = "snps,dw-pcie";
+      device_type = "pci";
+      reg = <0xdfc00000 0x0001000>, /* IP registers */
+            <0xd0000000 0x0002000>; /* Configuration space */
+      reg-names = "dbi", "config";
+      #address-cells = <3>;
+      #size-cells = <2>;
+      ranges = <0x81000000 0 0x00000000 0xde000000 0 0x00010000>,
+               <0x82000000 0 0xd0400000 0xd0400000 0 0x0d000000>;
+      bus-range = <0x0 0xff>;
+
+      interrupts = <25>, <24>;
+      #interrupt-cells = <1>;
+
+      reset-gpios = <&port0 0 1>;
+
+      num-lanes = <1>;
     };