cpufreq: interactive: Fix uninitialized spinlock

Change-Id: I9959669e0f643ccd2bd1072fae440d8c20f1c9cc
Merge tag 'AU_LINUX_ANDROID_JB_2.5.04.02.02.40.243' of git://codeaurora.org/kernel/msm into cm-10.1

AU_LINUX_ANDROID_JB_2.5.04.02.02.40.243 based on quic/aosp/jb_2.5
msm: Add support for debuglevel

Change-Id: I3c2c62012e4a463c10631c4ed6f267a744b56341
Revert "M2: regulators: fixup: make RPM_VREG_ID_PM8921_S2 regulator sleep_selectable"

 * This is causing high power drain and instability.

This reverts commit 298d95f32f9d28f42fab9444e5bcc2db5b0ccb2b.

Change-Id: Ia4ee3ff562fa0bd93dd7699eb74a60c89a9603bd