Add a 192 Mhz CPU frequency step

Change-Id: I44439a8f77785b5521bcf8cfd19a0e8c9da89521
Revert "Revert "msm: cpufreq: Implement suspend/resume for cpufreq driver""

This reverts commit c4c9db2b0e3d0498267360813352a95fa5283693.