Useful links for cross-compiling apps

[kratsg]

• https://forums.xilinx.com/xlnx/attachments/xlnx/GenDis/20254/1/gpio_2chan_usr.c
• https://forums.xilinx.com/t5/Embedded-Linux/AXI-GPIO-Support/td-p/240988
• http://fpga.org/2013/05/28/how-to-design-and-access-a-memory-mapped-device-part-one/
• http://fpga.org/
• http://stackoverflow.com/questions/16530127/how-do-i-use-bitbake-to-cross-compile-this-simple-program-for-beagleboard