iio: temperature: tmp006: use = { } instead of memset()

Use { } instead of memset() to zero-initialize stack memory to simplify
the code.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250611-iio-zero-init-stack-with-instead-of-memset-v1-28-ebb2d0a24302@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: dlech

drivers/iio/temperature/tmp006.c

@@ -254,11 +254,9 @@ static irqreturn_t tmp006_trigger_handler(int irq, void *p)
 	struct {
 		s16 channels[2];
 		aligned_s64 ts;
-	} scan;
+	} scan = { };
 	s32 ret;
 
-	memset(&scan, 0, sizeof(scan));
-
 	ret = i2c_smbus_read_word_data(data->client, TMP006_VOBJECT);
 	if (ret < 0)
 		goto err;