Search "*.make" makefiles and exclude "Makefile" makefiles if there is
the "make" subdirectory on the same level. This is needed to build each
project separately and collect the results for each.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@14679 27425a3e-05d8-49a3-a47f-9c15f0e5edd8