drm/msm/dpu: allocate single CTL for DPU >= 5.0

drm/msm/dpu: allocate single CTL for DPU >= 5.0

Unlike previous generation, since DPU 5.0 it is possible to use just one
CTL to handle all INTF and WB blocks for a single output. And one has to
use single CTL to support bonded DSI config. Allocate single CTL for
these DPU versions.

Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/641587/
Link: https://lore.kernel.org/r/20250307-dpu-active-ctl-v3-6-5d20655f10ca@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>