Fix some warnings

Conflicts:
	Makefile
	arch/arm/configs/ace_defconfig
	arch/arm/configs/ace_perf_defconfig
add back accidentaly removed cfs bandwidth addition
sysctl: fix maybe uninitialized warnings
7x30-smd: fix may be uninitialized warnings
kernel: futex: fix may be uninitialized warnings
fs: jbd2: fix may be uninitialized warnings