[binutils-gdb/gdb-8.0-branch] PR22137: gdbserver crashes on host with pkru register.

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT f24b864960e61f9a91f8c168c1afe12a6676ad7a ***

Author: Walfred Tedeschi <walfred.tedeschi@intel.com>
Branch: gdb-8.0-branch
Commit: f24b864960e61f9a91f8c168c1afe12a6676ad7a

PR22137: gdbserver crashes on host with pkru register.

This patch adds missing backslash on a makefile and regenerate the
files created via the xml files.  Those were not in sync with the xml file.

gdb/ChangeLog:

2017-10-16  Walfred Tedeschi  <walfred.tedeschi@intel.com>

	* features/Makefile (i386-avx-mpx-avx512-pku.dat): Add backslash
	at the end of the line.
	* regformats/i386/amd64-avx-mpx-avx512-pku-linux.dat: Regenerate.
	* regformats/i386/amd64-avx-mpx-avx512-pku.dat: Regenerate.