random: entropy tweaks are all the rage nowadays

use non-blocking pool for all

http://lwn.net/Articles/489734/
Added missing file to enable us to use slqb.

Signed-off-by: Sar Castillo <sar.castillo@gmail.com>
SLQB memory allocator
fs/dyn_sync_cntrl: dynamic sync control

The dynamic sync control interface uses Android kernel's unique early
suspend / lat resume interface.

While screen is on, file sync is disabled
when screen is off, a file sync is called to flush all outstanding writes
and restore file sync operation as normal.

Signed-off-by: Paul Reioux <reioux@gmail.com>