fix dracutbasedir when using dracut -l

[lz3450]

This pull request changes...

Changes

After building from a git checkout with prefix=/usr/local, dracut -l reports error:

dracut[F]: Cannot find /usr/lib/dracut/dracut-init.sh.
dracut[F]: Are you running from a git checkout?
dracut[F]: Try passing -l as an argument to /usr/local/bin/dracut

Checklist

• [x ] I have tested it locally
• I have reviewed and updated any documentation if relevant
• I am providing new code and test(s) for it

Fixes #

Setting dracutbasedir in dracut.sh correctly to /usr/local/lib/dracut