xtensa: remove ldso workaround by real pointer check
An abort() is only generated when gcc does not implement
a trap handler for the target architecture.
This fixes the abort() generation. Latest gcc git master
also contains a trap handler for xtensa.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Walemar Brodkorb <wbx@uclibc-ng.org>