Add test generator binary to .gitignore

Author: Joonari

.gitignore

@@ -77,6 +77,7 @@ openasip/scripts/tce-selftest
 openasip/src/applibs/LLVMBackend/passes/.dirstamp
 openasip/src/applibs/LLVMBackend/passes/buildllvmpass
 openasip/src/bintools/Assembler/tceasm
+openasip/src/bintools/TestGenerator/generatetests
 openasip/src/bintools/BEMGenerator/createbem
 openasip/src/bintools/BEMViewer/viewbem
 openasip/src/bintools/BlocksDisassembler/tpef2pasm