Update qemu from 2.12.0 to 2.12.1 (#2509)

Add pre-built binaries

packages/qemu.rb

@@ -3,21 +3,21 @@ require 'package'
 class Qemu < Package
   description 'QEMU is a generic and open source machine emulator and virtualizer.'
   homepage 'http://www.qemu.org/'
-  version '2.12.0'
-  source_url 'https://download.qemu.org/qemu-2.12.0.tar.xz'
-  source_sha256 'e69301f361ff65bf5dabd8a19196aeaa5613c1b5ae1678f0823bdf50e7d5c6fc'
+  version '2.12.1'
+  source_url 'https://download.qemu.org/qemu-2.12.1.tar.xz'
+  source_sha256 '33583800e0006cd00b78226b85be5a27c8e3b156bed2e60e83ecbeb7b9b8364f'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.0-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.0-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.0-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.0-chromeos-x86_64.tar.xz',
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.1-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.1-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.1-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/qemu-2.12.1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '137ecd91b0e74672566e8fb7742373f45584e434100001494f71e7b33b3d4a86',
-     armv7l: '137ecd91b0e74672566e8fb7742373f45584e434100001494f71e7b33b3d4a86',
-       i686: 'c024fc3cb47b501472530af2c912c01655afedd5cbe833a7e57bbfb02bffa06d',
-     x86_64: '0c9723102c31bc87951612e56758a291bed7a0650d3e720962d3e50a81b07486',
+    aarch64: 'fb73f6f84c7d0903ec195e44e7bdca2fa91d80a64cc843e5426b6a4cb8cc0396',
+     armv7l: 'fb73f6f84c7d0903ec195e44e7bdca2fa91d80a64cc843e5426b6a4cb8cc0396',
+       i686: '36cd4eaee38f19222e8877b28370ad7eaea241d3e494e1b3e5e4590bf72a44c0',
+     x86_64: '2a676625832deb1a4a6817d1da65e74c904e8511fa700b1b4cb1c140a81f9964',
   })
 
   depends_on 'bz2'