Other than the one nit below, everything looks in order as per internal
development and reviews...
but really wish we had the nit added - so we have a single location we can
build on to get all
the various stages of gsc vs pxp vs huc operation sequences across hw gens (at
least the first
gen wh
Given that HuC load is delayed on DG2, this patch adds support for a fence
that can be used to wait for load completion. No waiters are added in this
patch (they're coming up in the next one), to keep the focus of the
patch on the tracking logic.
The full HuC loading flow on boot DG2 is as follows