@iceman1001 s cleanup of some t55xx read code, plus some timing tests to
improve lf t5 detect/read...
small typo in pcf 16 address bytes instead of 4...
add option for verbose or not on bigbuf clear cmd.
adjust lf config threshold to coincide with graph values and trigger on
highs over the threshold or lows under the threshold * -1
split general hf 14b reader from full info printing
applies icemans full ata55x7 read/write settings
adds checksum to ioprox (thanks to iceman)
adds silent mode for lf read and getSamples
fix lf em em410xwatch and lf em410xspoof
improve data rawdemod ar - for biphase demods
improve detectclock a for strong antennas