Add /dev/frandom support
Update defconfig with /dev/frandom support

Change-Id: I192487bdf88c71e82c7c40881801ffa20ca6ad43
exFAT support

Signed-off-by: flar2 <asegaert@gmail.com>
Update defconfig with exFAT

Change-Id: I23cc0555010c04c63d9766501a290eb1d8934cbb
 AIO: Don't plug the I/O queue in do_io_submit()
Add SIO and FIOPS i/o schedulers
Update defconfig with SIO and FIOPS i/o schedulers

Change-Id: I292a5e0637daa96e0ff48bb6602c139f6af253e7