MAINTAINERS: Maik has moved

Maik is no longer using the plusserver.de email, update with his
current email.

Link: http://lkml.kernel.org/r/1473007794-27960-1-git-send-email-sudipm.mukherjee@gmail.com
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Cc: Maik Broemme <mbroemme@libmpq.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -6103,7 +6103,7 @@ S:	Supported
 F:	drivers/cpufreq/intel_pstate.c
 
 INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
-M:	Maik Broemme <mbroemme@plusserver.de>
+M:	Maik Broemme <mbroemme@libmpq.org>
 L:	linux-fbdev@vger.kernel.org
 S:	Maintained
 F:	Documentation/fb/intelfb.txt