drm/msm/dpu: remove always-true argument of dpu_core_irq_read()

The argument clear of the function dpu_core_irq_read() is always true.
Remove it.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/474697/
Link: https://lore.kernel.org/r/20220217043148.480898-3-dmitry.baryshkov@linaro.org


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