Apply suggestions from code review by Marwan

Rename cocotb virtual env

Co-authored-by: Marwan Abbas <[email protected]>

Makefile

@@ -334,10 +334,10 @@ setup-timing-scripts: $(TIMING_ROOT)
 
 .PHONY: install-caravel-cocotb
 install-caravel-cocotb:
-	rm -rf ./venv
-	$(PYTHON_BIN) -m venv ./venv
-	./venv/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir pip
-	./venv/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir caravel-cocotb
+	rm -rf ./venv-cocotb
+	$(PYTHON_BIN) -m venv ./venv-cocotb
+	./venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir pip
+	./venv-cocotb/bin/$(PYTHON_BIN) -m pip install --upgrade --no-cache-dir caravel-cocotb
 
 .PHONY: setup-cocotb-env
 setup-cocotb-env:
@@ -348,17 +348,17 @@ setup-cocotb: install-caravel-cocotb setup-cocotb-env simenv-cocotb
 
 .PHONY: cocotb-verify-all-rtl
 cocotb-verify-all-rtl: 
-	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && caravel_cocotb -tl user_proj_tests/user_proj_tests.yaml )
+	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && $(PROJECT_ROOT)/venv-cocotb/bin/caravel_cocotb -tl user_proj_tests/user_proj_tests.yaml )
 
 .PHONY: cocotb-verify-all-gl
 cocotb-verify-all-gl:
-	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && caravel_cocotb -tl user_proj_tests/user_proj_tests_gl.yaml -verbosity quiet)
+	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && $(PROJECT_ROOT)/venv-cocotb/bin/caravel_cocotb -tl user_proj_tests/user_proj_tests_gl.yaml -verbosity quiet)
 
 $(cocotb-dv-targets-rtl): cocotb-verify-%-rtl: 
-	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && caravel_cocotb -t $*  )
+	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && $(PROJECT_ROOT)/venv-cocotb/bin/caravel_cocotb -t $*  )
 
 $(cocotb-dv-targets-gl): cocotb-verify-%-gl:
-	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && caravel_cocotb -t $* -verbosity quiet)
+	@(cd $(PROJECT_ROOT)/verilog/dv/cocotb && $(PROJECT_ROOT)/venv-cocotb/bin/caravel_cocotb -t $* -verbosity quiet)
 
 ./verilog/gl/user_project_wrapper.v:
 	$(error you don't have $@)