linux-yocto 3.10: fix RTC config

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
linux-yocto 3.10: enable iotop on FRI2

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
linux-yocto 3.10: disable i8042 on FRI2

There's no PS2 connector on the board so disable it and shave a few
seconds of the boot time.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>