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/sound/hda/Makefile

snd-hda-core-objs := hda_bus_type.o hdac_bus.o hdac_device.o hdac_sysfs.o \
	hdac_regmap.o hdac_controller.o hdac_stream.o array.o hdmi_chmap.o

snd-hda-core-objs += trace.o
CFLAGS_trace.o := -I$(src)

# for sync with i915 gfx driver
snd-hda-core-$(CONFIG_SND_HDA_I915) += hdac_i915.o

obj-$(CONFIG_SND_HDA_CORE) += snd-hda-core.o

#extended hda
obj-$(CONFIG_SND_HDA_EXT_CORE) += ext/