PCI: mvebu: Remove ARCH_KIRKWOOD dependency

mach-kirkwood has been removed, now that kirkwood lives in mach-mvebu.
ARCH_MVEBU is sufficient.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 21df477..88f4862 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -3,7 +3,7 @@
 
 config PCI_MVEBU
 	bool "Marvell EBU PCIe controller"
-	depends on ARCH_MVEBU || ARCH_DOVE || ARCH_KIRKWOOD
+	depends on ARCH_MVEBU || ARCH_DOVE
 	depends on OF
 
 config PCIE_DW