Input: s3c2410_ts - fix build error due to ADC Kconfig rename

The name of the Kconfig symbol for the ADC has changed as a result of
application to more SoCs but the select statement has not been updated,
causing linker failures as the ADC core has not been built.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/input/touchscreen/Kconfig

@@ -156,7 +156,7 @@ config TOUCHSCREEN_FUJITSU
 config TOUCHSCREEN_S3C2410
 	tristate "Samsung S3C2410/generic touchscreen input driver"
 	depends on ARCH_S3C2410 || SAMSUNG_DEV_TS
-	select S3C24XX_ADC
+	select S3C_ADC
 	help
 	  Say Y here if you have the s3c2410 touchscreen.