Revert "cpuinit: get rid of __cpuinit in the new smpboot.c"

This reverts commit 61ccc12dd785c0ba560e29bd7c8871ba2f0ada4b.
Revert "sched: Add sysinterface for GENTLE_FAIR_SLEEPERS"

This reverts commit 291190d7078cf2873ca1e930389611ae23f9dc88.
kconfig.debug: Increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE
cpufreq: enable sibling cpu policy sharing
disable Qualcomm's cpu policy restore (conflicts with sibling sharing)