util-linux-ng.inc, e2fsprogs.inc: Use update-alternatives for uuidd.

util-linux-ng.inc, e2fsprogs.inc: Use update-alternatives for uuidd.

Util-linux-ng put uuidd in ${sbindir}, e2fsprogs put it in ${base_sbindir}.
This change puts both in ${base_sbindir}.

Fixes a conflict when DISTRO=micro.

| Collected errors:
|  * check_data_file_clashes: Package util-linux-ng wants to install file /mnt/oe/tmp/rootfs/native-sdk-image/sbin/uuidd
|       But that file is already provided by package  * e2fsprogs

Signed-off-by: Graham Gower <graham.gower@gmail.com>
Acked-by: Khem Raj <raj.khem@gmail.com>