updates kintex7 phy name to reflect new peter_xilinx_phys convention
add clbv3 reference design files
last commit also needs artix7 support in xwrc_platform_xilinx.vhd
added BullsEye connections
CLBv3: moved dmtd div2 and buffer into xwrc_platform_xilinx.vhd
CLBv3: implementation files (including bmm)
CLBv3: Clean up

Conflicts:
	platform/xilinx/xwrc_platform_xilinx.vhd