PCI: designware: Rename get_msi_data() to get_msi_addr()

The struct pcie_host_ops .get_msi_data() method returns the MSI message
address.  To accurately express its purpose, rename it to .get_msi_addr().

Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Mohit KUMAR <mohit.kumar@st.com>

drivers/pci/host/pcie-designware.h

@@ -70,7 +70,7 @@ struct pcie_host_ops {
 	void (*host_init)(struct pcie_port *pp);
 	void (*msi_set_irq)(struct pcie_port *pp, int irq);
 	void (*msi_clear_irq)(struct pcie_port *pp, int irq);
-	u32 (*get_msi_data)(struct pcie_port *pp);
+	u32 (*get_msi_addr)(struct pcie_port *pp);
 	void (*scan_bus)(struct pcie_port *pp);
 	int (*msi_host_init)(struct pcie_port *pp, struct msi_chip *chip);
 };