kernel: Disable GENTLE_FAIR_SLEEPERS feature
build: Add new Optimization flags + O3
vfp: Use NEON libraries + defconfig: config dump
Revert "s3cfb: Fix S3CFB_SET_VSYNC_INT ioctl"

This reverts commit 84cae5bbce75d142d8dcd691b9eac7ed455065f4.
Revert "kernel: Disable GENTLE_FAIR_SLEEPERS feature"

This reverts commit c39adb30dcba18e8a8fd4103c5d10b511034a668.
We are not ready to disable this feature.
Disabling this feature may cause SODs during charging.
out: Transfer some binaries from sbin to xbin
ARM: 7666/1: decompressor: add -mno-single-pic-base for building the decompressor