ASoC: mediatek: SND_SOC_MT8195 should depend on ARCH_MEDIATEK

The Mediatek MT8195 sound hardware is only present on Mediatek MT8195
SoCs.  Hence add a dependency on ARCH_MEDIATEK, to prevent asking the
user about this driver when configuring a kernel without Mediatek SoC
support.

Fixes: 6746cc85 ("ASoC: mediatek: mt8195: add platform driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/7e628e359bde04ceb9ddd74a45931059b4a4623c.1630415860.git.geert+renesas@glider.beSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -187,6 +187,7 @@ config SND_SOC_MT8192_MT6359_RT1015_RT5682
 
 config SND_SOC_MT8195
 	tristate "ASoC support for Mediatek MT8195 chip"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
 	select SND_SOC_MEDIATEK
 	help
 	  This adds ASoC platform driver support for Mediatek MT8195 chip