omap4-common: add media.stagefright.cache-params to fix play movies

Change-Id: I5de2e3f52f938158afa882a851a9b0592b2e5b7d
omap4-common: libpower: add POWER_HINT_CPU_BOOST and fix locking

Change-Id: I9faa2401cec7403dfd9aae8d9b242833951563d2
Merge remote-tracking branch 'cm/cm-11.0' into kitkat