remove check for V4L2_CTRL_TYPE_BUTTON from
v4l2_ctrl_request_clone and v4l2_ctrl_request_setup().
Signed-off-by: NDikshita Agarwal <dikshita@codeaurora.org>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>