Current it use __RET_IP to get caller in rtpm resume
function, if it print info by %ps, it will do a
symbol lookup which takes time.
Change as replacing __RET_IP with rtpm_dbgid, so it is
still able to get caller information and avoid time
cost here.
Change-Id: Ifc70c118d621bb9e6d12de87582de09316ae9cad
CRs-Fixed: 3001690