GitLab

Handle values like ~0 as width, height, left or top fields.
Just strip off the top 16 bits will ensure that the calculations
remain OK.

Found with v4l2-compliance.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>