edgetpu: sync with maran kernel

Squash of the following commits:

d81075b34256 misc: edgetpu: Add tracing for memory mapping operations
d8855fbee4b5 misc: edgetpu: Add debugfs interface to adjust TPU rails
8c187ca97eab misc: edgetpu: Expand available debugfs functions
a36bcf16d0f1 misc: edgetpu: Add policy_set API to throttle tpu
7b191e6b0537 misc:edgetpu: Initlal commit for thermal driver
f7056a62542b misc:edgetpu: Refactor Thermal driver
01720f335e86 misc: edgetpu: refactor ACPM DVFS definitions

Plus #ifdefs fixes for unit tests

Signed-off-by: Erick Reyes <erickreyes@google.com>
Change-Id: I680704b23d1786b735eef58516c009d094fc3a33