random: entropy tweaks are all the rage nowadays

use non-blocking pool for all

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

Conflicts:

	drivers/char/random.c
random: prevent add_input from doing anything
random: remove warning
ocmem: free handle before returning from failure
Update for add'l carries, Add Sprint ramdisk
Update permissions for existing configurations
Cleaner classification for handling add'l carriers