freedreno/log-parser: fix compute times

We also need to clear the table of compute times at the end of the
frame, otherwise results shown will include all the compute jobs since
the beginning of the trace.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5280>

src/gallium/drivers/freedreno/log-parser.py

@@ -188,6 +188,7 @@ def main():
             times_gmem = []
             times = None
             gmem_passes = []
+            times_compute = []
             gmem = None
             continue