hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors

Similar to what was done for the lm75 driver.

Add depends on THERMAL since that is what provides the
register/unregister functions above, but only if THERMAL_OF was
selected as this is an optional feature of the driver.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/Kconfig

@@ -1286,6 +1286,7 @@ config SENSORS_THMC50
 config SENSORS_TMP102
 	tristate "Texas Instruments TMP102"
 	depends on I2C
+	depends on THERMAL || !THERMAL_OF
 	help
 	  If you say yes here you get support for Texas Instruments TMP102
 	  sensor chips.