ASoC: codec/ingenic: Depend on MACH_INGENIC

No need to show the options to build Ingenic-specific drivers on all
MIPS kernel configurations if Ingenic SoCs support is not enabled.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20210123140958.12895-2-paul@crapouillou.net
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -712,7 +712,7 @@ config SND_SOC_CX2072X
 	  Enable support for Conexant CX20721 and CX20723 codec chips.
 
 config SND_SOC_JZ4740_CODEC
-	depends on MIPS || COMPILE_TEST
+	depends on MACH_INGENIC || COMPILE_TEST
 	depends on OF
 	select REGMAP_MMIO
 	tristate "Ingenic JZ4740 internal CODEC"
@@ -724,7 +724,7 @@ config SND_SOC_JZ4740_CODEC
 	  will be called snd-soc-jz4740-codec.
 
 config SND_SOC_JZ4725B_CODEC
-	depends on MIPS || COMPILE_TEST
+	depends on MACH_INGENIC || COMPILE_TEST
 	depends on OF
 	select REGMAP
 	tristate "Ingenic JZ4725B internal CODEC"
@@ -736,7 +736,7 @@ config SND_SOC_JZ4725B_CODEC
 	  will be called snd-soc-jz4725b-codec.
 
 config SND_SOC_JZ4770_CODEC
-	depends on MIPS || COMPILE_TEST
+	depends on MACH_INGENIC || COMPILE_TEST
 	depends on OF
 	select REGMAP
 	tristate "Ingenic JZ4770 internal CODEC"