MAINTAINERS: update KASAN file list

Account for the following files:

 - lib/Kconfig.kasan

 - lib/test_kasan_module.c

 - arch/arm64/include/asm/mte-kasan.h

Link: https://lkml.kernel.org/r/7f9771d97b34d396bfdc4e288ad93486bb865a06.1613150186.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Author: xairy

MAINTAINERS

@@ -9565,10 +9565,11 @@ R:	Dmitry Vyukov <dvyukov@google.com>
 L:	kasan-dev@googlegroups.com
 S:	Maintained
 F:	Documentation/dev-tools/kasan.rst
-F:	arch/*/include/asm/kasan.h
+F:	arch/*/include/asm/*kasan.h
 F:	arch/*/mm/kasan_init*
 F:	include/linux/kasan*.h
-F:	lib/test_kasan.c
+F:	lib/Kconfig.kasan
+F:	lib/test_kasan*.c
 F:	mm/kasan/
 F:	scripts/Makefile.kasan