irqchip/gic-v3: Register the distributor's PA instead of its VA in fwnode

Do not expose the distributor's VA (it appears in debugfs). Instead,
record the PA, which at least can be used to precisely identify
the associated irqchip and domain.
Acked-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NMarc Zyngier <maz@kernel.org>

drivers/irqchip/irq-gic-v3.c

@@ -1845,7 +1845,7 @@ gic_acpi_init(struct acpi_subtable_header *header, const unsigned long end)
 	if (err)
 		goto out_redist_unmap;
 
-	domain_handle = irq_domain_alloc_fwnode(acpi_data.dist_base);
+	domain_handle = irq_domain_alloc_fwnode(&dist->base_address);
 	if (!domain_handle) {
 		err = -ENOMEM;
 		goto out_redist_unmap;