[PATCH] ia64: fix GENERIC compile

This will fix the generic compile by removing sn2 from the list of
targets, since it depends on the new discontig code, which hasn't gone
in yet.

arch/ia64/Makefile

@@ -66,8 +66,7 @@ core-$(CONFIG_IA64_SGI_SN2)	+= arch/ia64/sn/
 drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
 drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/
 drivers-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/
-drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ \
-				   arch/ia64/sn/
+drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/
 
 boot := arch/ia64/boot