[binutils-gdb] [spu] Fix "info spu event" output formatting

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 968ae51bac6201d2c63e0c2b4405832dca0795f0 ***

Author: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Branch: master
Commit: 968ae51bac6201d2c63e0c2b4405832dca0795f0

[spu] Fix "info spu event" output formatting

The formatting of the output of the "info spu event" command changed, causing
spurious test suite failures.  Use phex instead of phex_nz to get back the
expected format, and fix emission of new line characters.

gdb/ChangeLog:
2018-05-08  Ulrich Weigand  <uweigand@de.ibm.com>

	* spu-tdep.c (info_spu_event_command): Fix output formatting.