Since:
commit 
cbacb5ab0aa0 ("docs: printk-formats: Stop encouraging use of
unnecessary %h[xudi] and %hh[xudi]")
use of these format strings has been discouraged.
As there are only a few such uses in IIO, lets clear them all out and
avoid chance of them getting copied into new drivers.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Andreas Brauchli <andreas.brauchli@sensirion.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20210517125554.1463156-5-jic23@kernel.org
 
 
        product = SGP_VERS_PRODUCT(data);
        if (product != product_id) {
-               dev_err(dev, "sensor reports a different product: 0x%04hx\n",
+               dev_err(dev, "sensor reports a different product: 0x%04x\n",
                        product);
                return -ENODEV;
        }