ELPA is out, it has to be linked as external library
 input keyword to choose the diagonalization library
 syevd of scalapack is default, if the preferred libary is not
available, syevd is used



git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13326 bac0169d-1eea-4375-b5f6-f89d2ced9994
 keyword to choose the diagonalization library


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@13327 bac0169d-1eea-4375-b5f6-f89d2ced9994