iio: adc: qcom-vadc-common: scale adcmap_100k_104ef_104fb

Scale adcmap_100k_104ef_104fb temp values by the factor of 1000 to
remove extra multiplication in qcom_vadc_scale_therm().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20201204025509.1075506-12-dmitry.baryshkov@linaro.org


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>