irqchip/nvic: Convert from handle_IRQ() to handle_domain_irq()

Given that the nvic driver is fully irqdomain aware, there is no
reason for it to use the arch-specific handle_IRQ(), and it can
be moved over to handle_domain_irq().

Signed-off-by: Marc Zyngier <[e-mail]>

drivers/irqchip/irq-nvic.c

···
 asmlinkage void __exception_irq_entry
 nvic_handle_irq(irq_hw_number_t hwirq, struct pt_regs *regs)
 {
-	unsigned int irq = irq_linear_revmap(nvic_irq_domain, hwirq);
-
-	handle_IRQ(irq, regs);
+	handle_domain_irq(nvic_irq_domain, hwirq, regs);
 }
 
 static int nvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,