Feature/enable beta devices

Advanced tutorial from FPL 2023

Add support to pull in a .Xilinx directory to allow beta devices to be enabled inside docker container

See https://docs.xilinx.com/r/en-US/ug835-vivado-tcl-commands/Tcl-Initialization-Scripts for information on using tcl init scripts

Fix to threshold's width optimization

Fix: clean up MinimizeAccumulatorWidth logic for MVAU and VVAU

[Deps] Update qonnx version

Signed-off-by: aziz bahri <azizb@amd.com>

Update Alveo platforms