PCI: dwc: Rename variable name from data to d on dw_pcie_irq_domain_free()

Rename variable from data to d to maintain consistency between driver
functions.

No functional change is intended.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Joao Pinto <jpinto@synopsys.com>
Cc: Jingoo Han <jingoohan1@gmail.com>

drivers/pci/controller/dwc/pcie-designware-host.c

@@ -255,13 +255,13 @@ static int dw_pcie_irq_domain_alloc(struct irq_domain *domain,
 static void dw_pcie_irq_domain_free(struct irq_domain *domain,
 				    unsigned int virq, unsigned int nr_irqs)
 {
-	struct irq_data *data = irq_domain_get_irq_data(domain, virq);
-	struct pcie_port *pp = irq_data_get_irq_chip_data(data);
+	struct irq_data *d = irq_domain_get_irq_data(domain, virq);
+	struct pcie_port *pp = irq_data_get_irq_chip_data(d);
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&pp->lock, flags);
 
-	bitmap_release_region(pp->msi_irq_in_use, data->hwirq,
+	bitmap_release_region(pp->msi_irq_in_use, d->hwirq,
 			      order_base_2(nr_irqs));
 
 	raw_spin_unlock_irqrestore(&pp->lock, flags);