uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/applications/networking/browsers/firefox/no-buildconfig-ffx90.patch

@@ -0,0 +1,22 @@
+--- a/docshell/base/nsAboutRedirector.cpp
++++ b/docshell/base/nsAboutRedirector.cpp
+@@ -66,8 +66,6 @@ static const RedirEntry kRedirMap[] = {
+     {"about", "chrome://global/content/aboutAbout.html", 0},
+     {"addons", "chrome://mozapps/content/extensions/aboutaddons.html",
+      nsIAboutModule::ALLOW_SCRIPT},
+-    {"buildconfig", "chrome://global/content/buildconfig.html",
+-     nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT},
+     {"checkerboard", "chrome://global/content/aboutCheckerboard.html",
+      nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+          nsIAboutModule::ALLOW_SCRIPT},
+--- a/toolkit/content/jar.mn
++++ b/toolkit/content/jar.mn
+@@ -39,8 +39,6 @@ toolkit.jar:
+    content/global/plugins.html
+    content/global/plugins.css
+    content/global/plugins.js
+-*   content/global/buildconfig.html
+-   content/global/buildconfig.css
+    content/global/contentAreaUtils.js
+    content/global/datepicker.xhtml
+ #ifndef MOZ_FENNEC