[media] exynos4-is: Change function call order in fimc_is_module_exit()

Due to hardware dependencies (clocks/power domain) the I2C bus
controller needs to be unregistered before fimc-is.
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/exynos4-is/fimc-is.c

@@ -995,9 +995,9 @@ static int fimc_is_module_init(void)
 
 static void fimc_is_module_exit(void)
 {
-	platform_driver_unregister(&fimc_is_driver);
-	fimc_is_unregister_i2c_driver();
 	fimc_is_unregister_sensor_driver();
+	fimc_is_unregister_i2c_driver();
+	platform_driver_unregister(&fimc_is_driver);
 }
 
 module_init(fimc_is_module_init);