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/tools/misc/kakoune-cr/shards.nix

@@ -0,0 +1,14 @@
+{
+  fifo = {
+    owner = "alexherbo2";
+    repo = "fifo.cr";
+    rev = "37a2cc2718af0f8a1c50071106d7a5ca3a0d3da2";
+    sha256 = "0syh2819dzsfb562z645sajfh7xplhh3mxdachjnzlsdfqkxw85r";
+  };
+  rsub = {
+    owner = "alexherbo2";
+    repo = "rsub.cr";
+    rev = "43c6b9836ee281328bccfdf8c669bab26448e3b3";
+    sha256 = "144p83y3d02jy4gapify53x3i4i51yva6ajbvgi8rx0zj2ajgr0d";
+  };
+}