drm/msm/dpu: enable CDM_0 for X Elite platform

Enable CDM on the X Elite platform, allowing RGB to YUV conversion for
the output.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/638412/
Link: https://lore.kernel.org/r/20250220-dpu-add-cdm-v2-5-77f5f0df3d9a@linaro.org