msm: lpm-levels: Modify enter_sleep to communicate with RPM only for PC

Latency of WFI, SPC, RET increased during enter
sleep which caused significant boot delay. Modify enter_sleep
to process RPM communication only for PC.

Change-Id: I1fb3c89a904bf888b89960ea1bdd5c7f8fdc2212
Signed-off-by: Priyanka Mathur <pmathur@codeaurora.org>
1 file changed