Feature request #28 merged.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5914 35acf78f-673a-0410-8e92-d51de3d6d3f4
Feature request #28 merged. Updated mcuconf.h files.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5915 35acf78f-673a-0410-8e92-d51de3d6d3f4