PCI: Let PCI_PRI depend on PCI

This avoids the PCI_PRI question in 'make config' when PCI
is not selected.
Reported-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/Kconfig

@@ -87,6 +87,7 @@ config PCI_IOV
 
 config PCI_PRI
 	bool "PCI PRI support"
+	depends on PCI
 	select PCI_ATS
 	help
 	  PRI is the PCI Page Request Interface. It allows PCI devices that are