qemu: update to 4.2.0.

srcpkgs/qemu/patches/qemu-ga-manpage.patch

@@ -0,0 +1,10 @@
+--- qemu-doc.texi.orig	2019-12-16 20:35:33.459082641 +0100
++++ qemu-doc.texi	2019-12-16 20:35:47.593783938 +0100
+@@ -38,7 +38,6 @@
+ * Introduction::
+ * QEMU PC System emulator::
+ * QEMU System emulator for non PC targets::
+-* QEMU Guest Agent::
+ * QEMU User space emulator::
+ * System requirements::
+ * Security::

srcpkgs/qemu/template

@@ -1,13 +1,13 @@
 # Template file for 'qemu'
 pkgname=qemu
-version=4.1.1
+version=4.2.0
 revision=1
 short_desc="Open Source Processor Emulator"
 maintainer="Helmut Pozimski <helmut@pozimski.eu>"
 license="GPL-2.0-or-later, LGPL-2.1-or-later"
 homepage="https://www.qemu.org"
 distfiles="https://wiki.qemu.org/download/qemu-${version}.tar.bz2"
-checksum=459718738964a8036c741ed8dbef3d1346828ebac4bcacb1076faf2e2ad8bb8c
+checksum=3cf4f3f73233a12211a045f07eef467fdc7bf3877568cd0c8a0cf36121da9fbd
 
 nostrip=yes
 hostmakedepends="pkg-config perl python3 automake libtool flex python3-Sphinx"