drm/msm/dpu: remove struct dpu_hw_pipe_qos_cfg

Now as the struct dpu_hw_pipe_qos_cfg consists of only one bool field,
drop the structure and use corresponding bool directly.

Reviewed-by: Jeykumar Sankaran <quic_jeykumar@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/537918/
Link: https://lore.kernel.org/r/20230518222238.3815293-9-dmitry.baryshkov@linaro.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>