linux-xlnx

Added Xilinx Linux kernel git repository.
xilinx-v2013.4-trd

Removed xylonfb v2.1
Added clk-logiclk v1.0
Added xylonfb v3.0
Added drivers binding documentation.
Added Xylon Referent Design HDMI and FMC defconfig and dts files.
xilinx-v2014.2-trd

Removed xylonfb v2.1
Added clk-logiclk v1.0
Added xylonfb v3.0
Added drivers binding documentation.
Added Xylon Referent Design HDMI and FMC defconfig and dts files.