maintainers: Add myself as a NetBSD reviewer

I volunteer to review NetBSD patches.
Adding myself will help to not miss some of them.

Restore NetBSD as a maintained host.

All patches to make qemu/pkgsrc building have been emitted to review.

Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Message-id: 20170513022143.2838-1-n54@gmx.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

MAINTAINERS

@@ -354,6 +354,12 @@ L: qemu-devel@nongnu.org
 S: Maintained
 F: *posix*
 
+NETBSD
+L: qemu-devel@nongnu.org
+M: Kamil Rytarowski <kamil@netbsd.org>
+S: Maintained
+K: (?i)NetBSD
+
 W32, W64
 L: qemu-devel@nongnu.org
 M: Stefan Weil <sw@weilnetz.de>

configure

@@ -611,6 +611,7 @@ NetBSD)
   audio_possible_drivers="oss sdl"
   oss_lib="-lossaudio"
   HOST_VARIANT_DIR="netbsd"
+  supported_os="yes"
 ;;
 OpenBSD)
   bsd="yes"