ANDROID: trusty-virtio: remove unnecessary include of dma-mapping.h

Bug: 190445795
Change-Id: I6923a137e455f61058c7359aad733746d5b95273
Signed-off-by: Armelle Laine <[email protected]>
diff --git a/drivers/trusty/trusty-virtio.c b/drivers/trusty/trusty-virtio.c
index 2170fe0..fea59cd 100644
--- a/drivers/trusty/trusty-virtio.c
+++ b/drivers/trusty/trusty-virtio.c
@@ -9,7 +9,6 @@
 #include <linux/kernel.h>
 
 #include <linux/dma-map-ops.h>
-#include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/notifier.h>