eglibc-locale: Does not create {localedir} if the toolchain has no files under it

This will kill the not shipped Error:
    ERROR: QA Issue: eglibc-locale: Files/directories were installed but not shipped
       /usr/lib/locale

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>