some omp useful for the serial code


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@12668 bac0169d-1eea-4375-b5f6-f89d2ced9994
some OMP useful for the serial code


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@12669 bac0169d-1eea-4375-b5f6-f89d2ced9994
some more OMP


git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@12670 bac0169d-1eea-4375-b5f6-f89d2ced9994