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>

nixos/maintainers/scripts/azure-new/shell.nix

@@ -0,0 +1,13 @@
+with (import ../../../../default.nix {});
+stdenv.mkDerivation {
+  name = "nixcfg-azure-devenv";
+
+  nativeBuildInputs = [
+    azure-cli
+    bash
+    cacert
+    azure-storage-azcopy
+  ];
+
+  AZURE_CONFIG_DIR="/tmp/azure-cli/.azure";
+}