video: fb: xylonfb: Driver version 2.1

video: fb: xylonfb: Driver version 2.1

Fixed errors and warnings for kernel 3.10
Fixed kbild robot report errors and warnings (Open Technology Center).
Fixed potential memory leak bug in adv7511 probe error handling.
Fixed multiple driver instance bugs.
Fixed display refresh rate bug when working with low resolutions (no EDID mode).
Functionality update for 64-bit system.
Improved videomode selection parameters from dts.
Added EDID handling IOCTL's with monitor plug-in/out detection.
Updated logiCLK subdriver for new precise logiCLK IP core.

Signed-off-by: Davor Joja <davorjoja@logicbricks.com>
Signed-off-by: Radhey Shyam Pandey <radheys@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>