Avoid zx_system_powerctl

This undoes previous changes in AcpiHwLegacySleep that would use the
zx_system_powerctl to actually perform the sleep state transition. As a
consequence of this the only sleep state that can validly be switched to
is the S5 state.

Change-Id: I3bac8224c02cf451fbaa9a0af9a9caca9d520f95
1 file changed
tree: e20500d6c7b2ee480d96d46a59f622a2e47ff462
  1. include/
  2. source/
  3. BUILD.gn
  4. changes.txt
  5. LICENSE
  6. README.fuchsia