[RFCv4 02/21] v4l2-ctrls: v4l2_ctrl_add_handler: add from_other_dev

From: Hans Verkuil Add a 'bool from_other_dev' argument: set to true if the two handlers refer to different devices (e.g. it is true when inheriting controls from a subdev into a main v4l2 bridge driver). This will be used later when implementing support for the request

[RFCv4 02/21] v4l2-ctrls: v4l2_ctrl_add_handler: add from_other_dev

From: Hans Verkuil Add a 'bool from_other_dev' argument: set to true if the two handlers refer to different devices (e.g. it is true when inheriting controls from a subdev into a main v4l2 bridge driver). This will be used later when implementing support for the request API since we need to