of: Make <linux/of_reserved_mem.h> self-contained

<linux/of_reserved_mem.h> is not self-contained, as it uses
_OF_DECLARE() to define RESERVEDMEM_OF_DECLARE(), but does not include
<linux/of.h>.

Fix this by adding the missing include.

Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Thierry Reding <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>

Author: geertu

include/linux/of_reserved_mem.h

@@ -3,6 +3,7 @@
 #define __OF_RESERVED_MEM_H
 
 #include <linux/device.h>
+#include <linux/of.h>
 
 struct of_phandle_args;
 struct reserved_mem_ops;