dma-buf: heaps: Remove redundant heap identifier from system heap name

The heaps are already in a directory of heaps, adding _heap to a heap
name is redundant. This patch is only a name change, no logic is changed.
Signed-off-by: NAndrew F. Davis <afd@ti.com>
Acked-by: NJohn Stultz <john.stultz@linaro.org>
Signed-off-by: NSumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191216133405.1001-3-afd@ti.com

drivers/dma-buf/heaps/system_heap.c

@@ -109,7 +109,7 @@ static int system_heap_create(void)
 	struct dma_heap_export_info exp_info;
 	int ret = 0;
 
-	exp_info.name = "system_heap";
+	exp_info.name = "system";
 	exp_info.ops = &system_heap_ops;
 	exp_info.priv = NULL;