Temporary get improved version of the cocotb_test() rule from
a forked repository.

Internal-tag: [#44586]
Signed-off-by: Robert Winkler <[email protected]>

Internal-tag: [#46586]
Signed-off-by: Robert Winkler <[email protected]>

The library contains the XLSChannelDriver and XLSChannelMonitor classes,
which can be used to send or receive data from an XLS channel in
a Cocotb simulation, respectively.

Internal-tag: [#46586]
Signed-off-by: Robert Winkler <[email protected]>

This commit adds an example that uses the Cocotb framework to validate
behavior of the Verilog file converted from a simple DSLX code

Internal-tag: [#46586]
Signed-off-by: Robert Winkler <[email protected]>

Creates cocotb_xls_test macro that generates a file with the
timestamp specified in the rule definition. The macro is required to
generate the timestamp for Icarus Verilog smulation in Cocotb.

Internal-tag: [#46586]
Signed-off-by: Robert Winkler <[email protected]>

Signed-off-by: Roman Dobrodii <[email protected]>

Initialization check did not work properly with masked reads when more
partitions have been initialized than the read actually requested.
Added test for masked reads and writes when NUM_PART != DATA_WIDTH.

Signed-off-by: Roman Dobrodii <[email protected]>

Temporary solution.
Without this, multiple cocotb test targets in the same dir do not work.

Signed-off-by: Roman Dobrodii <[email protected]>

Example implementation of Lz4 - a dictionary-based data
compression algorithm.

Signed-off-by: Roman Dobrodii <[email protected]>