packages: Fix PV naming of svn/git based recipes to have +gitr/+svnr in the PV

packages: Fix PV naming of svn/git based recipes to have +gitr/+svnr in the PV

    According to the policy add an 'r' if we build a certain SCM
    revision. Bump the PE to be sure that the package is bigger, may
    alphanumeric math is too bad...

    # my failure of shell knowledge...
    git grep "^PV" packages/ | grep SRCREV | grep "\(git\\$\)\|\(svn\\$\)"