util-linux: disable more command host build because of ncurses dependency

Build on host without ncurses/curses development files and option
HOST_UTIL_LINUX enabled (introduced by [1]) failes because of
text-utils/more.c ncurses dependency (see old commit [2] for details).

[1] http://git.buildroot.net/buildroot/commit/?id=2b18d093cd8a5baaf2e22ce13cc9e527c1937777
[2] http://git.buildroot.net/buildroot/commit/?id=e55532fa08266be268fa35c32a5ee763329a9396



Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>