[KINETIS] Initial support for KL25 family

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7110 35acf78f-673a-0410-8e92-d51de3d6d3f4
[ARMCMx] Add support for creating srec output

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7111 35acf78f-673a-0410-8e92-d51de3d6d3f4
[KINETIS] Add initial demo for Freedom-KL25Z

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7112 35acf78f-673a-0410-8e92-d51de3d6d3f4