Input: s3c2410_ts: fix S3C_ADC dependency

S3C_ADC is only available on machines that don't do ARCH_MULTIPLATFORM,
so changing the 'select' into 'depends on' here helps us move to
ARCH_MULTIPLATFORM without introducing regressions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

drivers/input/touchscreen/Kconfig

@@ -365,7 +365,7 @@ config TOUCHSCREEN_IPROC
 config TOUCHSCREEN_S3C2410
 	tristate "Samsung S3C2410/generic touchscreen input driver"
 	depends on ARCH_S3C24XX || SAMSUNG_DEV_TS
-	select S3C_ADC
+	depends on S3C_ADC
 	help
 	  Say Y here if you have the s3c2410 touchscreen.