staging: tidspbridge - remove hw directory

hw directory was only being used for custom iommu implementation
APIs, so after the iommu module migration this directory is not
needed anymore.

Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile
index 8082d5c..e09547d 100644
--- a/drivers/staging/tidspbridge/Makefile
+++ b/drivers/staging/tidspbridge/Makefile
@@ -11,10 +11,9 @@
 		rmgr/nldr.o rmgr/drv_interface.o
 libdload = dynload/cload.o dynload/getsection.o dynload/reloc.o \
 		 dynload/tramp.o
-libhw = hw/hw_mmu.o
 
 bridgedriver-objs = $(libgen) $(libservices) $(libcore) $(libpmgr) $(librmgr) \
-			$(libdload) $(libhw)
+			$(libdload)
 
 #Machine dependent
 ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \