hwmon/w83781d: No longer use i2c-isa

Reimplement the ISA device support as a platform driver, so that we no
longer rely on i2c-isa.
Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/hwmon/Kconfig

@@ -523,7 +523,6 @@ config SENSORS_VT8231
 config SENSORS_W83781D
 	tristate "Winbond W83781D, W83782D, W83783S, W83627HF, Asus AS99127F"
 	depends on HWMON && I2C
-	select I2C_ISA
 	select HWMON_VID
 	help
 	  If you say yes here you get support for the Winbond W8378x series