ALSA: drivers: 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 <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Jaroslav Kysela <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

sound/drivers/Makefile

···
 # Copyright (c) 2001 by Jaroslav Kysela <[e-mail]>
 #
 
-snd-dummy-objs := dummy.o
-snd-aloop-objs := aloop.o
-snd-mtpav-objs := mtpav.o
-snd-mts64-objs := mts64.o
-snd-pcmtest-objs := pcmtest.o
-snd-portman2x4-objs := portman2x4.o
-snd-serial-u16550-objs := serial-u16550.o
-snd-serial-generic-objs := serial-generic.o
-snd-virmidi-objs := virmidi.o
+snd-dummy-y := dummy.o
+snd-aloop-y := aloop.o
+snd-mtpav-y := mtpav.o
+snd-mts64-y := mts64.o
+snd-pcmtest-y := pcmtest.o
+snd-portman2x4-y := portman2x4.o
+snd-serial-u16550-y := serial-u16550.o
+snd-serial-generic-y := serial-generic.o
+snd-virmidi-y := virmidi.o
 
 # Toplevel Module Dependency
 obj-$(CONFIG_SND_DUMMY) += snd-dummy.o

sound/drivers/mpu401/Makefile

···
 # Copyright (c) 2001 by Jaroslav Kysela <[e-mail]>
 #
 
-snd-mpu401-objs := mpu401.o
-snd-mpu401-uart-objs := mpu401_uart.o
+snd-mpu401-y := mpu401.o
+snd-mpu401-uart-y := mpu401_uart.o
 
 obj-$(CONFIG_SND_MPU401_UART) += snd-mpu401-uart.o
 

sound/drivers/opl3/Makefile

···
 # Copyright (c) 2001 by Jaroslav Kysela <[e-mail]>
 #
 
-snd-opl3-lib-objs := opl3_lib.o opl3_synth.o
+snd-opl3-lib-y := opl3_lib.o opl3_synth.o
 snd-opl3-synth-y := opl3_seq.o opl3_midi.o opl3_drums.o
 ifneq ($(CONFIG_SND_SEQUENCER_OSS),)
 snd-opl3-synth-y += opl3_oss.o

sound/drivers/opl4/Makefile

···
 # Copyright (c) 2001 by Jaroslav Kysela <[e-mail]>
 #
 
-snd-opl4-lib-objs := opl4_lib.o opl4_mixer.o
+snd-opl4-lib-y := opl4_lib.o opl4_mixer.o
 snd-opl4-lib-$(CONFIG_SND_PROC_FS) += opl4_proc.o
-snd-opl4-synth-objs := opl4_seq.o opl4_synth.o yrw801.o
+snd-opl4-synth-y := opl4_seq.o opl4_synth.o yrw801.o
 
 obj-$(CONFIG_SND_OPL4_LIB) += snd-opl4-lib.o
 obj-$(CONFIG_SND_OPL4_LIB_SEQ) += snd-opl4-synth.o

sound/drivers/pcsp/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
-snd-pcsp-objs := pcsp.o pcsp_lib.o pcsp_mixer.o pcsp_input.o
+snd-pcsp-y := pcsp.o pcsp_lib.o pcsp_mixer.o pcsp_input.o
 obj-$(CONFIG_SND_PCSP) += snd-pcsp.o

sound/drivers/vx/Makefile

···
 # Copyright (c) 2001 by Jaroslav Kysela <[e-mail]>
 #
 
-snd-vx-lib-objs := vx_core.o vx_hwdep.o vx_pcm.o vx_mixer.o vx_cmd.o vx_uer.o
+snd-vx-lib-y := vx_core.o vx_hwdep.o vx_pcm.o vx_mixer.o vx_cmd.o vx_uer.o
 
 obj-$(CONFIG_SND_VX_LIB) += snd-vx-lib.o