This finishes off ICC color space support in Qt (short of the
optional multi process elements), and includes necessary parts for
potential CMYK support (PCSLab and A2B support)
[ChangeLog][QColorSpace] ICC profiles that are not three-component
matrix based are now supported.
Task-number: QTBUG-108175
Change-Id: Ie29b17a366d9ba0ea8135e1752530d6bb19e7520
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>