Input: colibri-vf50-ts - don't depend on VF610_ADC

Any IIO ADC can be used with the driver, so do not depend
on VF610_ADC.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20220712101619.326120-2-francesco.dolcini@toradex.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/Kconfig

@@ -1335,7 +1335,7 @@ config TOUCHSCREEN_ZFORCE
 
 config TOUCHSCREEN_COLIBRI_VF50
 	tristate "Toradex Colibri on board touchscreen driver"
-	depends on IIO && VF610_ADC
+	depends on IIO
 	depends on GPIOLIB || COMPILE_TEST
 	help
 	  Say Y here if you have a Colibri VF50 and plan to use