dt-bindings: PCI: qcom-ep: Fix the unit address used in example

Unit address of PCIe EP node should be 0x1c00000 as it has to match the
first address specified in the reg property.

Link: https://lore.kernel.org/r/20230308082424.140224-5-manivannan.sadhasivam@linaro.org
Fixes: 31c9ef00 ("dt-bindings: PCI: Add Qualcomm PCIe Endpoint controller")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml

@@ -166,7 +166,7 @@ examples:
     #include <dt-bindings/clock/qcom,gcc-sdx55.h>
     #include <dt-bindings/gpio/gpio.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
-    pcie_ep: pcie-ep@40000000 {
+    pcie_ep: pcie-ep@1c00000 {
         compatible = "qcom,sdx55-pcie-ep";
         reg = <0x01c00000 0x3000>,
               <0x40000000 0xf1d>,