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

drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_9_2_x1e80100.h

@@ -453,6 +453,7 @@ const struct dpu_mdss_cfg dpu_x1e80100_cfg = {
 	.mdss_ver = &x1e80100_mdss_ver,
 	.caps = &x1e80100_dpu_caps,
 	.mdp = &x1e80100_mdp,
+	.cdm = &dpu_cdm_5_x,
 	.ctl_count = ARRAY_SIZE(x1e80100_ctl),
 	.ctl = x1e80100_ctl,
 	.sspp_count = ARRAY_SIZE(x1e80100_sspp),