PCI: iproc: Fix ARM64 dependency in Kconfig

Allow Broadcom iProc PCIe core driver to be compiled for ARM64
Signed-off-by: NRay Jui <rjui@broadcom.com>
Reviewed-by: NVikram Prakash <vikramp@broadcom.com>
Reviewed-by: NScott Branden <sbranden@broadcom.com>
Acked-by: NBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: NOlof Johansson <olof@lixom.net>

drivers/pci/host/Kconfig

@@ -117,7 +117,7 @@ config PCI_VERSATILE
 
 config PCIE_IPROC
 	tristate "Broadcom iProc PCIe controller"
-	depends on OF && ARM
+	depends on OF && (ARM || ARM64)
 	default n
 	help
 	  This enables the iProc PCIe core controller support for Broadcom's