8660: Add support for Ion

Add support for Ion

Change-Id: I1c04b8a6df005c6ced8681f419f4445592b4832d
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/include/linux/ion.h b/include/linux/ion.h
index 9f220f8..4b7b8b7 100644
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -65,6 +65,7 @@
 #define ION_VMALLOC_HEAP_NAME	"vmalloc"
 #define ION_EBI1_HEAP_NAME	"EBI1"
 #define ION_ADSP_HEAP_NAME	"adsp"
+#define ION_SMI_HEAP_NAME	"smi"
 
 #define CACHED          1
 #define UNCACHED        0