powerpc/pseries: The RPA PCI hotplug driver depends on EEH

The RPA PCI hotplug driver calls EEH routines, so should depend on
EEH. Also PPC_PSERIES implies PPC64, so remove that.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/pci/hotplug/Kconfig

@@ -143,7 +143,7 @@ config HOTPLUG_PCI_SHPC
 
 config HOTPLUG_PCI_RPA
 	tristate "RPA PCI Hotplug driver"
-	depends on PPC_PSERIES && PPC64 && !HOTPLUG_PCI_FAKE
+	depends on PPC_PSERIES && EEH && !HOTPLUG_PCI_FAKE
 	help
 	  Say Y here if you have a RPA system that supports PCI Hotplug.