[cologne_chip] setup new setup folder

.gitignore

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+*.bin
+**/bin

cologne_chip/.gitignore

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+*.log
+*.synth.v
+*.id
+*.idh
+*.net
+*.net
+*.refcomp
+*.pos
+*.refparam
+*.refwire
+*.pin
+*.cdf
+*.prn
+*.txt
+*.pathes
+*_00*

cologne_chip/README.md

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+## Cologne Chip GateMate Setups
+
+#### Available Setups
+
+* [GateMateA1-EVB](GateMateA1-EVB)
+
+> [!TIP]
+> See the sub-folder(s) for more information.
+
+#### Toolchain
+
+The toolchain (Windows / Linux) for the GateMate FPGAs can be obtained for free from the Cologne Chip homepage:
+[colognechip.com/programmable-logic/gatemate/gatemate-download](https://www.colognechip.com/programmable-logic/gatemate/gatemate-download)
+
+Unpack the downloaded archive to some system folder and adjust the setup's `CCTOOLS` Makefile variable
+to point to the `bin` sub-folder of the installation folder.