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/tools/perf/bench/mem-memcpy-x86-64-asm-def.h

MEMCPY_FN(memcpy_orig,
	"x86-64-unrolled",
	"unrolled memcpy() in arch/x86/lib/memcpy_64.S")

MEMCPY_FN(__memcpy,
	"x86-64-movsq",
	"movsq-based memcpy() in arch/x86/lib/memcpy_64.S")

MEMCPY_FN(memcpy_erms,
	"x86-64-movsb",
	"movsb-based memcpy() in arch/x86/lib/memcpy_64.S")