drm/msm/dpu: check for overflow in _dpu_crtc_setup_lm_bounds()

Make _dpu_crtc_setup_lm_bounds() check that CRTC width is not
overflowing LM requirements. Rename the function accordingly.

Fixes: 25fdd593 ("drm/msm: Add SDM845 DPU support")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Abhinav Kumar <quic_abhinavk@quicinc.com> # sc7280
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/612237/
Link: https://lore.kernel.org/r/20240903-dpu-mode-config-width-v6-3-617e1ecc4b7a@linaro.org


Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>