dt-bindings: PCI: qcom: Fix description typo

Fix "based" typo in description.

Link: https://lore.kernel.org/r/e08b53be6cdf8d94a5a002d5b74c8a884b2ff3c6.1655100158.git.baruch@tkos.co.ilSigned-off-by: NBaruch Siach <baruch@tkos.co.il>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>

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

@@ -11,7 +11,7 @@ maintainers:
   - Stanimir Varbanov <svarbanov@mm-sol.com>
 
 description: |
-  Qualcomm PCIe root complex controller is bansed on the Synopsys DesignWare
+  Qualcomm PCIe root complex controller is based on the Synopsys DesignWare
   PCIe IP.
 
 properties: