gpu: ion: use ion_phys_addr_t where appropriate

ion_phys_addr_t should be used for physical addresses from
Ion. Change clients where appropriate.

Change-Id: Iea365b8ca008732dc21e4fe7f38d7b6ab240f906
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/drivers/gpu/ion/ion_priv.h b/drivers/gpu/ion/ion_priv.h
index 9d1e90e..2ab2ed6 100644
--- a/drivers/gpu/ion/ion_priv.h
+++ b/drivers/gpu/ion/ion_priv.h
@@ -189,8 +189,8 @@
  */
 struct mem_map_data {
 	struct rb_node node;
-	unsigned long addr;
-	unsigned long addr_end;
+	ion_phys_addr_t addr;
+	ion_phys_addr_t addr_end;
 	unsigned long size;
 	const char *client_name;
 };