[POWERPC] Add basic PCI/PCI Express support for 8544DS board

Add basic support for the PCIe PHB and enable the ULI bridge.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 4661fcc..99bb74d 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -30,6 +30,7 @@
 
 config MPC8544_DS
 	bool "Freescale MPC8544 DS"
+	select PPC_I8259
 	select DEFAULT_UIMAGE
 	help
 	  This option enables support for the MPC8544 DS board