HID: amd_sfh: Add light chromaticity support

In most cases, ambient color sensors also support the x and y light
colors, which represent the coordinates on the CIE 1931 chromaticity
diagram. Thus, add light chromaticity x and y.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Link: https://lore.kernel.org/r/20230919081054.2050714-9-Basavaraj.Natikar@amd.com


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