
PCI arbiter enable
CONFIG_PCI_ARBITER
  To enable a PCI arbiter, say Y here.

PCI APB interface enable
CONFIG_PCI_ARBITER_APB
  Say Y here to enable the APB interface on the PCI arbiter. This makes
  it possible to dynamically re-assign PCI master priorities. See the
  PCI arbiter manual for details.

PCI arbiter request signals
CONFIG_PCI_ARBITER_NREQ
  The number of PCI bus request/grant pairs. Should be not
  be more than 8. Note that the processor needs one, so the
  minimum should be 2.

