2014-11-07  Daniel Hellstrom  <daniel@gaisler.com>

	Backport from mainline
	* config.gcc (sparc-*-rtems*): Clean away unused t-elf.
	* config/sparc/t-rtems: Add leon3v7 and muser-mode multilibs.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@217232 138bc75d-0d04-0410-961f-82ee72b054a4