Add files Makefile and console

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@382 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/mini2440/Makefile

+CLEAN_FILES= *.bin *.map *.axf rtconfig.pyc .sconsign.dblite
+
+clean:
+	find . \( -name "*.o" -o -name "*.bak" \) -type f -print | xargs rm -f
+	rm -fr ./build
+	rm -fr $(CLEAN_FILES)