Makefile: Add basic helpers permitting to move boards from/to UNTESTED_

Adds two golbal helpers in Makefile:
- board.move_untested_to_tested
- board.move_tested_to_untested

Which can be called by:
- make BOARD=UNTESTED_t420-maximized board.move_untested_to_tested
- make BOARD=x230-legacy board.move_tested_to_untested

Signed-off-by: Thierry Laurion <insurgo@riseup.net>

Author: tlaurion

Makefile

@@ -728,6 +728,28 @@ modules.clean:
 		rm -f "build/${CONFIG_TARGET_ARCH}/$$dir/.configured" ; \
 	done
 
+board.move_untested_to_tested:
+	@echo "NEW_BOARD variable will remove UNTESTED_ prefix from $(BOARD)"
+	@NEW_BOARD=$$(echo $(BOARD) | sed 's/^UNTESTED_//'); \
+	echo "Renaming boards/$$BOARD/$$BOARD.config to boards/$$BOARD/$$NEW_BOARD.config"; \
+	mv boards/$$BOARD/$$BOARD.config boards/$$BOARD/$$NEW_BOARD.config; \
+	echo "Renaming boards/$$BOARD to boards/$$NEW_BOARD"; \
+	rm -rf boards/$$NEW_BOARD; \
+	mv boards/$$BOARD boards/$$NEW_BOARD; \
+	echo "Replacing $$BOARD with $$NEW_BOARD in .circleci/config.yml"; \
+	sed -i "s/$$BOARD/$$NEW_BOARD/g" .circleci/config.yml
+
+board.move_tested_to_untested:
+	@echo "NEW_BOARD variable will add UNTESTED_ prefix to $(BOARD)"
+	@NEW_BOARD=UNTESTED_$(BOARD); \
+	rm -rf boards/$${NEW_BOARD}; \
+	echo "Renaming boards/$(BOARD)/$(BOARD).config to boards/$(BOARD)/$${NEW_BOARD}.config"; \
+	mv boards/$(BOARD)/$(BOARD).config boards/$(BOARD)/$${NEW_BOARD}.config; \
+	echo "Renaming boards/$(BOARD) to boards/$${NEW_BOARD}"; \
+	mv boards/$(BOARD) boards/$${NEW_BOARD}; \
+	echo "Replacing $(BOARD) with $${NEW_BOARD} in .circleci/config.yml"; \
+	sed -i "s/$(BOARD)/$${NEW_BOARD}/g" .circleci/config.yml
+
 # Inject a GPG key into the image - this is most useful when testing in qemu,
 # since we can't reflash the firmware in qemu to update the keychain.  Instead,
 # inject the public key ahead of time.  Specify the location of the key with