drm/msm/dpu: Fix LM size on a number of platforms

drm/msm/dpu: Fix LM size on a number of platforms

The register space has grown with what seems to be DPU8.
Bump up the .len to match.

Fixes: e3b1f369db5a ("drm/msm/dpu: Add X1E80100 support")
Fixes: 4a352c2fc15a ("drm/msm/dpu: Introduce SC8280XP")
Fixes: efcd0107727c ("drm/msm/dpu: add support for SM8550")
Fixes: 100d7ef6995d ("drm/msm/dpu: add support for SM8450")
Fixes: 178575173472 ("drm/msm/dpu: add catalog entry for SAR2130P")
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/701063/
Link: https://lore.kernel.org/r/20260127-topic-lm_size_fix-v1-1-25f88d014dfd@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>