Merge branch 'pci/endpoint'

Merge branch 'pci/endpoint'

- Simplify pci_epf_test_alloc_space() by using pci_epc_get_next_free_bar()
  as other similar iterators do (Niklas Cassel)

- Configure endpoint BARs as 64-bit if that's all the hardware supports, in
  addition to doing it if the BAR size is larger than 2GB (Niklas Cassel)

- Remove superfluous pci_epf_configure_bar(), since pci_epf_alloc_space()
  now contains that functionality (Niklas Cassel)

- Simplify pci_epf_test_set_bar() (Niklas Cassel)

- Clean up pci_epf_test_unbind() to reduce indentation level (Niklas
  Cassel)

* pci/endpoint:
  PCI: endpoint: pci-epf-test: Clean up pci_epf_test_unbind()
  PCI: endpoint: pci-epf-test: Simplify pci_epf_test_set_bar() loop
  PCI: endpoint: pci-epf-test: Remove superfluous code
  PCI: endpoint: Allocate a 64-bit BAR if that is the only option
  PCI: endpoint: pci-epf-test: Simplify pci_epf_test_alloc_space() loop