Remove MDP_CAP_SRC_SPLIT from msm8x53_config because
it is not referenced in downstream.

Fixes: fb25d447 ("drm/msm/mdp5: Add configuration for MDP v1.16")
Signed-off-by: Barnabás Czémán <trabarni@gmail.com>
Patchwork: https://patchwork.freedesktop.org/patch/600521/
Link: https://lore.kernel.org/r/20240624-msm8953-mdp-fix-v1-1-be4d3262ebe3@gmail.comSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>