[IA64-SGI] Bus driver for the CX port of SGI's TIO chip.

This patch is to provide CX port infrastructure for SGI TIO-based
h/w.   Also a 'core services' driver for SGI FPGA-based h/w.
                                                                                
Signed-off-by: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/sn/kernel/Makefile b/arch/ia64/sn/kernel/Makefile
index 6c7f4d9..4f381fb 100644
--- a/arch/ia64/sn/kernel/Makefile
+++ b/arch/ia64/sn/kernel/Makefile
@@ -10,3 +10,4 @@
 obj-y				+= setup.o bte.o bte_error.o irq.o mca.o idle.o \
 				   huberror.o io_init.o iomv.o klconflib.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
+obj-$(CONFIG_SGI_TIOCX)		+= tiocx.o