emulators/qemu: MESSAGE exorcism

The MESSAGE content was just documentation about nvmm, which belongs
in upstream qemu docs.  It is now in README.NetBSD on the assumption
that upstream docs are lacking.

emulators/qemu/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.330 2023/11/26 10:34:23 adam Exp $
+# $NetBSD: Makefile,v 1.331 2023/12/07 17:41:55 gdt Exp $
 
 DISTNAME=	qemu-8.1.3
 CATEGORIES=	emulators
@@ -185,6 +185,8 @@ post-build:
 post-install:
 	${INSTALL_DATA} ${FILESDIR}/Makefile.multinode-NetBSD \
 		${DESTDIR}${PREFIX}/share/doc/qemu/
+	${INSTALL_DATA} ${FILESDIR}/README.NetBSD \
+		${DESTDIR}${PREFIX}/share/doc/qemu/
 	${RM} -f ${DESTDIR}${PREFIX}/share/doc/qemu/interop/.buildinfo
 	${RM} -f ${DESTDIR}${PREFIX}/share/doc/qemu/specs/.buildinfo
 	${RM} -f ${WRKDIR}/PLIST.STATIC

emulators/qemu/PLIST

@@ -1,4 +1,4 @@
-@comment $NetBSD: PLIST,v 1.86 2023/08/23 15:19:02 adam Exp $
+@comment $NetBSD: PLIST,v 1.87 2023/12/07 17:41:55 gdt Exp $
 bin/elf2dmp
 ${PLIST.aarch64}bin/qemu-aarch64
 ${PLIST.aarch64_be}bin/qemu-aarch64_be
@@ -92,6 +92,7 @@ man/man8/qemu-pr-helper.8
 share/applications/qemu.desktop
 share/doc/qemu/.buildinfo
 share/doc/qemu/Makefile.multinode-NetBSD
+share/doc/qemu/README.NetBSD
 share/doc/qemu/about/build-platforms.html
 share/doc/qemu/about/deprecated.html
 share/doc/qemu/about/emulation.html

emulators/qemu/files/README.NetBSD

@@ -1,5 +1,4 @@
-===========================================================================
-$NetBSD: MESSAGE.NetBSD,v 1.2 2022/09/21 18:56:32 wiz Exp $
+$NetBSD: README.NetBSD,v 1.1 2023/12/07 17:41:55 gdt Exp $
 
 To use the NetBSD/amd64 Virtual Memory Monitor (NVMM) for QEMU :
 
@@ -18,5 +17,3 @@ $ qemu-system-x86_64 -smp 4 -m 8G -cdrom Win10_2004_English_x64.iso -accel nvmm
 
 See nvmm(4) and nvmmctl(8) or visit
    https://m00nbsd.net/4e0798b7f2620c965d0dd9d6a7a2f296.html for more info.
-
-===========================================================================