[IA64] CONFIG_SGI_SN2 - auto select NUMA and ACPI_NUMA

Auto select CONFIG_NUMA and CONFIG_ACPI_NUMA when picking SN2, similar
to how they are selected automatically for CONFIG_IA64_GENERIC.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index dff9edf..17ef9b2 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -155,6 +155,8 @@
 
 config IA64_SGI_SN2
 	bool "SGI-SN2"
+	select NUMA
+	select ACPI_NUMA
 	help
 	  Selecting this option will optimize the kernel for use on sn2 based
 	  systems, but the resulting kernel binary will not run on other