util-linux: package libsmartcols

Packages fdisk and lsblk were missing dependency for libsmartcols.so.1

Add package for libsmartcols and add dependency from fdisk and lsblk.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43459 3c298f89-4303-0410-b956-a3cf2f4a3e73