Add libavc1394 package (#3477)

Add pre-built binaries

packages/libavc1394.rb

+require 'package'
+
+class Libavc1394 < Package
+  description 'libavc1394 is a programming interface for the 1394 Trade Association AV/C (Audio/Video Control) Digital Interface Command Set.'
+  homepage 'https://sourceforge.net/projects/libavc1394/'
+  version '0.5.4'
+  source_url 'https://downloads.sourceforge.net/project/libavc1394/libavc1394/libavc1394-0.5.4.tar.gz'
+  source_sha256 '7cb1ff09506ae911ca9860bef4af08c2403f3e131f6c913a2cbd6ddca4215b53'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libavc1394-0.5.4-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libavc1394-0.5.4-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libavc1394-0.5.4-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libavc1394-0.5.4-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: '57ba75e9dd0cf910ec946b83626e3266401fa02a8673301a65b46be17fc60426',
+     armv7l: '57ba75e9dd0cf910ec946b83626e3266401fa02a8673301a65b46be17fc60426',
+       i686: '4ad13321cd0cbb9e15dfe8bf6834e1e29c6436acda8fcff55c2112f3b278e55b',
+     x86_64: '633edd7c131376ec1e76b8d4540fada425525f9f97d34107abe1a4cca7d45117',
+  })
+
+  depends_on 'libraw1394'
+
+  def self.build
+    system './configure',
+           "--prefix=#{CREW_PREFIX}",
+           "--libdir=#{CREW_LIB_PREFIX}",
+           '--disable-maintainer-mode'
+    system 'make'
+  end
+
+  def self.install
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", 'install'
+  end
+end