gpu: ion: Add platform driver for msm ion

Add platform driver for msm specific ion devices

Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/drivers/gpu/ion/msm/Makefile b/drivers/gpu/ion/msm/Makefile
new file mode 100644
index 0000000..bedd8d2
--- /dev/null
+++ b/drivers/gpu/ion/msm/Makefile
@@ -0,0 +1 @@
+obj-y += msm_ion.o