src: Warn if user scale and offset override.
src: Warn if user scale and offset override.

Warn if the user supplied DATA_SCALE and DATA_OFFSET will be
overridden by automatically computed values.  This can happen when
mapping virtual images, such as MU, MU0, PHASE, LATITUDE and and
LONGITUDE.

ossama-othman/MaRC,ossama-othman/MaRC,ossama-othman/MaRC