[ALSA] Add snd_card_set_generic_dev() call

ARM,SA11xx UDA1341 driver,Generic drivers,MPU401 UART,MIPS
MIPS AU1x00 driver,PPC,PPC PowerMac driver,SPARC,SPARC AMD7930 driver
SPARC cs4231 driver,SPARC DBRI driver
- Added snd_card_set_generic_dev() call.
- Added SND_GENERIC_DRIVER to Kconfig.
- Clean up the error path in probe if necessary.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/sparc/Kconfig

@@ -7,6 +7,7 @@ config SND_SUN_AMD7930
 	tristate "Sun AMD7930"
 	depends on SBUS && SND
 	select SND_PCM
+	select SND_GENERIC_DRIVER
 	help
 	  Say Y here to include support for AMD7930 sound device on Sun.
 
@@ -17,6 +18,7 @@ config SND_SUN_CS4231
 	tristate "Sun CS4231"
 	depends on SND
 	select SND_PCM
+	select SND_GENERIC_DRIVER
 	help
 	  Say Y here to include support for CS4231 sound device on Sun.
 
@@ -27,6 +29,7 @@ config SND_SUN_DBRI
 	tristate "Sun DBRI"
 	depends on SND && SBUS
 	select SND_PCM
+	select SND_GENERIC_DRIVER
 	help
 	  Say Y here to include support for DBRI sound device on Sun.