Updated all necessary packages for ARM

packages/diffutils.rb

@@ -5,6 +5,14 @@ class Diffutils < Package
   source_url 'ftp://ftp.gnu.org/gnu/diffutils/diffutils-3.3.tar.xz'
   source_sha1 '6463cce7d3eb73489996baefd0e4425928ecd61e'
 
+  # arm has 3.3 diffutils in system, so leave it as is
+  binary_url({
+    armv7l: "https://dl.dropboxusercontent.com/s/kut6emhlda9pbc9/dummy-1.0.0-chromeos-armv7l.tar.gz",
+  })
+  binary_sha1({
+    armv7l: "049db60338a74d798e72afabe05097f3a4c4f7cd",
+  })
+
   depends_on "libsigsegv"
 
   def self.build