* config.guess: Add hppa64-linux support. Note for next import that

	this is already in the master file.
	* configure.in: Likewise.  Accept `parisc' alias for `hppa'.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41327 138bc75d-0d04-0410-961f-82ee72b054a4