avr: add silent test packet send command
avr: show device usage in 'elf' target
proto: optimized for even tranfsers
merged python
avr: allow to re-init plip part
ami: add burst send
avr: implemented send burst
avr: adjusted build options
avr: removed log
added burst recv
burst fixes
better burst
fixed burst recv
fixed burst for large sizes
ami: some optimizations