MAINTAINERS: KMEMCHECK: add file patterns, use M: for Pekka's name and address

Signed-off-by: NJoe Perches <joe@perches.com>
Cc: Vegard Nossum <vegardno@ifi.uio.no>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -3084,9 +3084,13 @@ F:	kernel/kgdb.c
 
 KMEMCHECK
 M:	Vegard Nossum <vegardno@ifi.uio.no>
-P	Pekka Enberg
-M:	penberg@cs.helsinki.fi
+M:	Pekka Enberg <penberg@cs.helsinki.fi>
 S:	Maintained
+F:	Documentation/kmemcheck.txt
+F:	arch/x86/include/asm/kmemcheck.h
+F:	arch/x86/mm/kmemcheck/
+F:	include/linux/kmemcheck.h
+F:	mm/kmemcheck.c
 
 KMEMLEAK
 M:	Catalin Marinas <catalin.marinas@arm.com>