krb5: Config realm for krb5-kdc and install /etc/default config files
krb5: Config realm for krb5-kdc and install /etc/default config files

Get default realm from /etc/krb5.conf, which was provided by krb5-config,
then create /etc/krb5kdc/kdc.conf.

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>
Signed-off-by: Kazuhiro Hayashi <d6ab13038406a238a56011921c4eda80a48396fd@toshiba.co.jp>

tienlee/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,tienlee/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,tienlee/meta-debian