[COMMITTED] Add myself to MAINTAINERS (write after approval)

[Boris Kolpackov]

ChangeLog:

2018-01-18  Boris Kolpackov  <bo...@codesynthesis.com>

        * MAINTAINERS (write after approval): Add myself.

--- MAINTAINERS (revision 256843)
+++ MAINTAINERS (working copy)
@@ -454,6 +454,7 @@
 Michael Koch                                   <konque...@gmx.de>
 Nicolas Koenig                                 <koeni...@student.ethz.ch>
 Kaz Kojima                                     <kkoj...@gcc.gnu.org>
+Boris Kolpackov                                 <bo...@codesynthesis.com>
 Dave Korn                                      <dave.korn.cyg...@gmail.com>
 Julia Koval                                    <julia.ko...@intel.com>
 Matt Kraai                                     <kr...@ftbfs.org>