dropbear (ssh-server component):
 * add command-line option (-x) making it possible to specify the value of PATH variable to be used for child processes
 * add /var/bin to the default PATH
 * remove "scppath.patch" as it's not necessary anymore (the same functionality could be achieved by adding directory containing {{{scp}}} to the PATH)
 * refs [http://www.ip-phone-forum.de/showthread.php?t=266441 this thread]
 * thanks to Ralf for pointing out [http://www.ip-phone-forum.de/showthread.php?t=266441&page=2&p=1978874#post1978874 a better solution]


git-svn-id: file:///var/svn/freetz/trunk@11572 149334a1-2f27-0410-a3b9-fc62619ac1e6