drm/vc4: add tracepoints for CL submissions

Trace submit_cl_ioctl and related IRQs for CL submission and bin/render
jobs execution. It might be helpful to get a rendering timeline and
track job throttling.

Signed-off-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220201212651.zhltjmaokisffq3x@mail.igalia.com