S390: Add new libdfp.abilist for sw-dfp.
S390: Add new libdfp.abilist for sw-dfp.

This file was generated as libdfp.symlist with normal build
and is now used as libdfp.abilist.
Both files are compared with test check-abi-libdfp.
The file is identical to the POWER-version with software dfp.

Signed-off-by: Stefan Liebler <8bf38aec6ae5a260784bfd12203b32cefe7ce79a@linux.vnet.ibm.com>

gftg85/libdfp,gftg85/libdfp,gftg85/libdfp,gftg85/libdfp