[rleroy] add signal strength meter to 'detectreader' command (HF only)

[proxmark3-svn] / fpga / xst.scr

run -ifn fpga.v -ifmt Verilog -ofn fpga.ngc -ofmt NGC -p xc2s30-6vq100 -opt_mode Speed -opt_level 1 -ent fpga\r