Correct BuildTest makefiles to use LUFA_PATH rather than LUFA_ROOT_PATH.
drwxr-xr-x - Bootloaders
drwxr-xr-x - BuildTests
drwxr-xr-x - Demos
-rw-r--r-- 84955 LUFA.pnproj
drwxr-xr-x - LUFA
drwxr-xr-x - Maintenance
drwxr-xr-x - Projects
-rw-r--r-- 2351 README.txt
-rw-r--r-- 748 makefile