Changeset 9833:926cfdcf6836
---------------------------
cpu: Fix timing CPU drain check

This patch modifies the SimpleTimingCPU drain check to also consider
the fetch event. Previously, there was an assumption that there is
never a fetch event scheduled if the CPU is not executing
microcode. However, when a context is activated, a fetch even is
scheduled, and microPC() is zero.

All regressions pass. The other patch that triggered the assert
now runs without issues.