[IA64] tiger_defconfig s/NR_CPUS=4/NR_CPUS=16/

Montecito is coming with dual core and threading, so this
four socket box can now have sixteen logical cpus.
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/configs/tiger_defconfig

@@ -114,7 +114,7 @@ CONFIG_IA64_CYCLONE=y
 CONFIG_IOSAPIC=y
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
-CONFIG_NR_CPUS=4
+CONFIG_NR_CPUS=16
 CONFIG_HOTPLUG_CPU=y
 CONFIG_PERMIT_BSP_REMOVE=y
 CONFIG_FORCE_CPEI_RETARGET=y