LinuxKPI: Set suspend type on syspend/resume cycle enter

Recent amdgpu depends on pm_suspend_target_state value to separate
S3 and S0ix support.

Sponsored by: Serenity Cyber Security, LLC
Reviewed by: manu (in bugzilla)
MFC after: 1 week

(cherry picked from commit 8ace984e477b0ee1fcc317752603ec4fe9c7f636)