add support for a 3rd (auxiliary) firmware, by hippie2000 (closes #2205)

git-svn-id: file:///var/svn/freetz/trunk@11067 149334a1-2f27-0410-a3b9-fc62619ac1e6
update CHANGELOG: tools

git-svn-id: file:///var/svn/freetz/trunk@11068 149334a1-2f27-0410-a3b9-fc62619ac1e6
polarssl:
 * bump version to [https://polarssl.org/tech-updates/releases/polarssl-1.2.10-released 1.2.10]


git-svn-id: file:///var/svn/freetz/trunk@11069 149334a1-2f27-0410-a3b9-fc62619ac1e6