util-linux: break out new package util-linux-hwclock
We'd like to include the util-linux version of hwclock in images without
having to include all of util-linux. To make this possible, break out
hwclock into its own package.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com> Signed-off-by: Ben Shelton <ben.shelton@ni.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
