ALSA: fireworks/bebob/oxfw/dice: enable to make as built-in

commit df483388 upstream.

When committed to upstream, these four modules had wrong entries for
Makefile. This forces them to be loadable modules even if they're set
as built-in.

This commit fixes this bug.

Fixes: b5b04336('ALSA: fireworks: Add skelton for Fireworks based devices')
Fixes: fd6f4b0d('ALSA: bebob: Add skelton for BeBoB based devices')
Fixes: 1a4e39c2('ALSA: oxfw: Move to its own directory')
Fixes: 14ff6a09('ALSA: dice: Move file to its own directory')
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
[ luis: backported to 3.16:
  - dropped changes to oxfw and dice modules as they do not exist in
    the 3.16 kernel ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

sound/firewire/bebob/Makefile

 snd-bebob-objs := bebob_command.o bebob_stream.o bebob_proc.o bebob_midi.o \
 		  bebob_pcm.o bebob_hwdep.o bebob_terratec.o bebob_yamaha.o \
 		  bebob_focusrite.o bebob_maudio.o bebob.o
-obj-m += snd-bebob.o
+obj-$(CONFIG_SND_BEBOB) += snd-bebob.o

sound/firewire/fireworks/Makefile

 snd-fireworks-objs := fireworks_transaction.o fireworks_command.o \
 		      fireworks_stream.o fireworks_proc.o fireworks_midi.o \
 		      fireworks_pcm.o fireworks_hwdep.o fireworks.o
-obj-m += snd-fireworks.o
+obj-$(CONFIG_SND_FIREWORKS) += snd-fireworks.o