Update chicken from 4.13.0 to 5.1.0 (#3412)

Tested on ARM.

packages/chicken.rb

@@ -3,27 +3,19 @@ require 'package'
 class Chicken < Package
   description 'CHICKEN is practical and portable scheme system.'
   homepage 'https://code.call-cc.org/'
-  version '4.13.0-1'
-  source_url 'https://code.call-cc.org/releases/4.13.0/chicken-4.13.0.tar.gz'
-  source_sha256 'add549619a31363d6608b39e0cf0e68b9d5e6ff2a719b5691ddeba57229c6c43'
+  version '5.1.0'
+  source_url 'https://code.call-cc.org/releases/5.1.0/chicken-5.1.0.tar.gz'
+  source_sha256 '5c1101a8d8faabfd500ad69101e0c7c8bd826c68970f89c270640470e7b84b4b'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/chicken-4.13.0-1-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/chicken-4.13.0-1-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/chicken-4.13.0-1-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/chicken-4.13.0-1-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '8877684cca5b473a07bed10b722e823218056eb8e30d3c920d87c2f932145476',
-     armv7l: '8877684cca5b473a07bed10b722e823218056eb8e30d3c920d87c2f932145476',
-       i686: '3d1914f286e6c5d96cddbd7aadfeb9b327983218caebe3773c101a7c26bc9657',
-     x86_64: 'ee8820ba71c1db4e90152cd52f133e2106292071b95d2bf6538b6e28aa723022',
   })
 
   depends_on 'filecmd'
 
   def self.build
-    system "make", "PLATFORM=linux"
+    system "make", "-j1", "PLATFORM=linux" # parallel builds don't work
   end
 
   def self.install