Makefile: Show also nvcc version

git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14757 bac0169d-1eea-4375-b5f6-f89d2ced9994
Makefile: nicer formatting

git-svn-id: svn://svn.code.sf.net/p/cp2k/code/trunk@14758 bac0169d-1eea-4375-b5f6-f89d2ced9994