iio: adc: ti-lmp92064: use = { } instead of memset()

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

Signed-off-by: David Lechner <[e-mail]>
Reviewed-by: Leonard Göhrs <[e-mail]>
Reviewed-by: Nuno Sá <[e-mail]>
Reviewed-by: Andy Shevchenko <[e-mail]>
Link: https://patch.msgid.link/202506[e-mail]
Signed-off-by: Jonathan Cameron <[e-mail]>

drivers/iio/adc/ti-lmp92064.c

···
 	struct {
 		u16 values[2];
 		aligned_s64 timestamp;
-	} data;
+	} data = { };
 	int ret;
-
-	memset(&data, 0, sizeof(data));
 
 	ret = lmp92064_read_meas(priv, data.values);
 	if (ret)