nvdimm: constify device_type structures

Declare device_type structure as const as it is only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structure.

File size before:
  text	   data	    bss	    dec	    hex	filename
  19278	   3199	     16	  22493	   57dd	nvdimm/namespace_devs.o

File size after:
  text	   data	    bss	    dec	    hex	filename
  19929	   3160	     16	  23105	   5a41	nvdimm/namespace_devs.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

path: root/include/dt-bindings/clock/ath79-clk.h

/*
 * Copyright (C) 2014, 2016 Antony Pavlov <antonynpavlov@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#ifndef __DT_BINDINGS_ATH79_CLK_H
#define __DT_BINDINGS_ATH79_CLK_H

#define ATH79_CLK_CPU		0
#define ATH79_CLK_DDR		1
#define ATH79_CLK_AHB		2

#define ATH79_CLK_END		3

#endif /* __DT_BINDINGS_ATH79_CLK_H */