ASoC: spear: Normalise module names

Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/spear/Makefile b/sound/soc/spear/Makefile
index 9f47bb4..c4ea716 100644
--- a/sound/soc/spear/Makefile
+++ b/sound/soc/spear/Makefile
@@ -1,4 +1,8 @@
 # SPEAR Platform Support
-obj-$(CONFIG_SND_SPEAR_SOC) += spear_pcm.o
-obj-$(CONFIG_SND_SPEAR_SPDIF_IN) += spdif_in.o
-obj-$(CONFIG_SND_SPEAR_SPDIF_OUT) += spdif_out.o
+snd-soc-spear-pcm-objs := spear_pcm.o
+snd-soc-spear-spdif-in-objs := spdif_in.o
+snd-soc-spear-spdif-out-objs := spdif_out.o
+
+obj-$(CONFIG_SND_SPEAR_SOC) += snd-soc-spear-pcm.o
+obj-$(CONFIG_SND_SPEAR_SPDIF_IN) += snd-soc-spear-spdif-in.o
+obj-$(CONFIG_SND_SPEAR_SPDIF_OUT) += snd-soc-spear-spdif-out.o