scripts/*: folder rearrangement and fpga programmer update
emb-sw/*/fmc516.c: change active board LED
hdl/*/wb_fmc516/*: rearrangement of some signals
hdl/*/fmc516_adc_clk.vhd: fix 2x clock output
hdl/*/top/*/dbe_bpm_fmc516.vhd: update top file
hdl/*/wb_fmc516/*: fix vcxo i2c missing scl_oe_n line