ASoC: jz4740: Use *-y instead of *-objs in Makefile

*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-14-tiwai@suse.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/jz4740/Makefile

@@ -2,6 +2,6 @@
 #
 # Jz4740 Platform Support
 #
-snd-soc-jz4740-i2s-objs := jz4740-i2s.o
+snd-soc-jz4740-i2s-y := jz4740-i2s.o
 
 obj-$(CONFIG_SND_JZ4740_SOC_I2S) += snd-soc-jz4740-i2s.o