ALSA: deprecate MIPS AU1X00 AC97 driver

Now that an ASoC variant is available, tell users that this
driver is now living on borrowed time...
Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/mips/Kconfig

@@ -23,12 +23,15 @@ config SND_SGI_HAL2
 
 
 config SND_AU1X00
-	tristate "Au1x00 AC97 Port Driver"
+	tristate "Au1x00 AC97 Port Driver (DEPRECATED)"
 	depends on SOC_AU1000 || SOC_AU1100 || SOC_AU1500
 	select SND_PCM
 	select SND_AC97_CODEC
 	help
 	  ALSA Sound driver for the Au1x00's AC97 port.
 
+	  Newer drivers for ASoC are available, please do not use
+	  this driver as it will be removed in the future.
+
 endif	# SND_MIPS