[DRIVERS] Correcting menu dependencies between PWM and backlight.
[DRIVERS] Removing i.MX FB unnecessary deallocation.
[DAEMONS] Add a monitor daemon, with compatibility with framebuffers.

This patch adds a monitor daemon which periodically writes CPU, RAM and VCPU
information on a character device.
A new IOCTL has been defined for periodically erase the character device.
IOCTL definition macros have been added.