Revert "PM: adding suspend/resume support"

This reverts commit d1faa2d41b844297afaa2e891ad1c79999e995cc.
Revert "PM: implementing PM on DCE side"

This reverts commit ff8487cb15d5042137dd6715e34c749c72ce3e72.
Enable KPI profiler

This should be done more in the XDC ways, really...

Signed-off-by: Vincent Stehlé <v-stehle@ti.com>