Blackfin arch: Use DTEST rather than DMA to poke at L1 SRAM during exception context

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mm/Makefile b/arch/blackfin/mm/Makefile
index 81aacbc..d489f89 100644
--- a/arch/blackfin/mm/Makefile
+++ b/arch/blackfin/mm/Makefile
@@ -2,4 +2,4 @@
 # arch/blackfin/mm/Makefile
 #
 
-obj-y := sram-alloc.o init.o
+obj-y := sram-alloc.o isram-driver.o init.o