Track as a named CSL license

[pombredanne]

This:

        Permission to use, copy, modify and distribute this software is hereby
        granted provided that (1) source code retains these copyright, permission,
        and disclaimer notices, and (2) redistributions including binaries
        reproduce the notices in supporting documentation, and (3) all advertising
        materials mentioning features or use of this software display the following
        acknowledgement: ``This product includes software developed by the
        Computer Systems Laboratory at the University of Utah.''

        THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
        IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
        ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.

        CSL requests users of this software to return to csl-dist@cs.utah.edu any
        improvements that they make and grant CSL redistribution rights.

.. has been tracked as a proprietary license rule. This is part of GNU Binutils and Libgloss https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=COPYING.LIBGLOSS;h=ee3ef9f496f78d6fb832a1ccb84aa3a0b7048812;hb=HEAD#l106

IMHO we should have a named license.

[DennisClark]

New license LicenseRef-scancode-utah-csl created in DejaCode enterprise and public. Permissive.

@AyanSinhaMahapatra Please synchronize when you have time, thanks.

[AyanSinhaMahapatra]

Added in #4478, added also to licensedb and license-expression v30.4.4 , closing.