Revert "Revert "msm: pm: Add support to query cpu status""

This reverts commit 1c88d84d255257d69a6d997854d225288474bfda

Change-Id: I3616c611f3f192c842815c009eadb204cbd273fb
Merge "Revert "Revert "msm: pm: Add support to query cpu status""" into jellybean-mr1