PCI: dra7xx: Use PCI_NUM_INTX
Use the PCI_NUM_INTX macro to indicate the number of PCI INTx interrupts rather than the magic number 4. This makes it clearer where the number comes from & what it relates to. Based-on-similar-patches-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Kishon Vijay Abraham I <kishon@ti.com>
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