random: entropy tweaks are all the rage nowadays

use non-blocking pool for all

http://lwn.net/Articles/489734/

Conflicts:

	drivers/char/random.c

Change-Id: Iff5550bf64a46e36987a718cdd350765c0755abc
random: prevent add_input from doing anything

Change-Id: I16b3544b5c4d287667bbe035206507f7fa5b9490
random: remove warning

Change-Id: I4c36bc7e38d0fe3dd5c6d9be53f4a51709d69923
diag: Reduce error message frequency

Some diag error messages are printed with high frequency. This
cause flooding of kernel logs. Rate limiting these messages will
help reading kernel logs.

Change-Id: I477ff2394116603a27d65948a60d3460c32572d1
CRs-fixed: 594186
Signed-off-by: Katish Paran <kparan@codeaurora.org>
char: frandom: initial commit v1.1

Change-Id: I23108ad584f1e8af611d6d63af625a43d7312293