Modify libtapasco to allow explicit waiting for PE

Several HBM related fixes

Support Vivado 2021.1 and 2021.2

Add pblock for PCIe core on AU280

Add 100G core for Vivado 2020.2

Fix nameclash when using multiple Aurora cores

Replace Bittware DDR by lower latency Hynix stick

This is useful for measuring the communication overhead of a PE.

[feature] Add SVM support to TaPaSCo

Add an extra documentation article for the SVM feature in the documentation folder.

Add new example software for the SVM feature for Rust and C++. Both programs contain four different tests using the arraysum, arrayinit and/or arrayupdate HLS example kernels. They demonstrate how to use the different page migration types provided with this feature.

If SVM is enabled 'pe.release()' returns all buffers which has been passed to 'pe.start()' as DataTransferAlloc parameter, no matter whether from_device has been set to 'true' or not. This way the user program can regain ownership of all buffers.
See the SVM pipeline example for a use case.