arch/arm/return_address.c: hide annoying warning
Modify compilation flag
Update keff_defconfig
vfp: Compile with neon
Remove BFS to fix wifi issue
 - bfs cause wifi status switch not working
 - looking around for few days, still can't figure the way out so bfs had to
 remove to let wifi works properly, and I'm quite tired with it also
bfs cleanup (again)
Fix: warning "TODO: return_address should use unwind tables"
conflit: return_address.c
Disable GENTLE_FAIR_SLEEPERS
- could improve UI responsiveness
O3 compilation fixups
random: entropy tweaks are all the rage nowadays …
use nonblocking for all.  Read this web page:
http://lwn.net/Articles/489734/
input: move add_input_randomness - patch from Google Code issue 42265
net: bcm4329: fix compiliation with -O3 optimization