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/development/libraries/icu/63.nix

@@ -0,0 +1,14 @@
+{ stdenv, lib, fetchurl, fetchpatch, fixDarwinDylibNames, nativeBuildRoot }:
+
+import ./base.nix {
+  version = "63.1";
+  sha256 = "17fbk0lm2clsxbmjzvyp245ayx0n4chji3ky1f3fbz2ljjv91i05";
+  patches = [
+    # https://bugzilla.mozilla.org/show_bug.cgi?id=1499398
+    (fetchpatch {
+      url = "https://github.com/unicode-org/icu/commit/8baff8f03e07d8e02304d0c888d0bb21ad2eeb01.patch";
+      sha256 = "1awfa98ljcf95a85cssahw6bvdnpbq5brf1kgspy14w4mlmhd0jb";
+    })
+  ];
+  patchFlags = [ "-p3" ];
+} { inherit stdenv lib fetchurl fixDarwinDylibNames nativeBuildRoot; }