drm/msm/dpu: stop declaring VBIFs as an array in catalog
The driver handles a single VBIF instance, VBIF_RT. Stop declaring VBIFs
as an array in the DPU hardware catalog.
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/707774/
Link: https://lore.kernel.org/r/20260227-drop-vbif-nrt-v1-2-2b97d0438182@oss.qualcomm.com
[DB: handled Eliza platform]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>