iio: light: apds9306: Fix off by one in apds9306_sampling_freq_get()

The > comparison needs to be >= to prevent an out of bounds access.

Fixes: 620d1e6c ("iio: light: Add support for APDS9306 Light Sensor")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
Link: https://lore.kernel.org/r/69c5cb83-0209-40ff-a276-a0ae5e81c528@moroto.mountainSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/light/apds9306.c

@@ -635,7 +635,7 @@ static int apds9306_sampling_freq_get(struct apds9306_data *data, int *val,
 	if (ret)
 		return ret;
 
-	if (repeat_rate_idx > ARRAY_SIZE(apds9306_repeat_rate_freq))
+	if (repeat_rate_idx >= ARRAY_SIZE(apds9306_repeat_rate_freq))
 		return -EINVAL;
 
 	*val = apds9306_repeat_rate_freq[repeat_rate_idx][0];