PCI: mediatek: Implement chained IRQ handling setup

Implement irq_chip based solution for IRQs management in order to
comply with IRQ framework.
Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>

drivers/pci/host/Kconfig

@@ -194,6 +194,7 @@ config PCIE_MEDIATEK
 	depends on (ARM || ARM64) && (ARCH_MEDIATEK || COMPILE_TEST)
 	depends on OF
 	depends on PCI
+	depends on PCI_MSI_IRQ_DOMAIN
 	select PCIEPORTBUS
 	help
 	  Say Y here if you want to enable PCIe controller support on