ipq40xx: fix OpenMesh A62 dtc warnings

ipq40xx: fix OpenMesh A62 dtc warnings

Warning (pci_bridge): Node /soc/pci@40000000/pcie@0 missing ranges for PCI bridge (or not a bridge)
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0 missing bus-range for PCI bridge
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0/ath10k@0,0 node name is not "pci" or "pcie"
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0/ath10k@0,0 missing ranges for PCI bridge (or not a bridge)
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0/ath10k@0,0 incorrect #address-cells for PCI bridge
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0/ath10k@0,0 incorrect #size-cells for PCI bridge
Warning (pci_bridge): Node /soc/pci@40000000/pcie@0/ath10k@0,0 missing bus-range for PCI bridge
Warning (unit_address_format): Failed prerequisite 'pci_bridge'
Warning (pci_device_reg): Failed prerequisite 'pci_bridge'
Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge'

Cc: Sven Eckelmann <sven.eckelmann@openmesh.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Tested-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
(backported from 146fbeb81cc6eae1bba63a708b5a28071acc874e)