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/inputmethods/fcitx5/fcitx5-rime-with-nix-env-variable.patch

@@ -0,0 +1,18 @@
+:100644 100644 fac4f53 aed9617 M	src/rimeengine.cpp
+
+diff --git a/src/rimeengine.cpp b/src/rimeengine.cpp
+index fac4f53..aed9617 100644
+--- a/src/rimeengine.cpp
++++ b/src/rimeengine.cpp
+@@ -164,7 +164,10 @@ void RimeEngine::rimeStart(bool fullcheck) {
+             RIME_ERROR() << "Failed to create user directory: " << userDir;
+         }
+     }
+-    const char *sharedDataDir = RIME_DATA_DIR;
++    const char *sharedDataDir = getenv("NIX_RIME_DATA_DIR");
++    if (!sharedDataDir) {
++        sharedDataDir = RIME_DATA_DIR;
++    }
+ 
+     RIME_STRUCT(RimeTraits, fcitx_rime_traits);
+     fcitx_rime_traits.shared_data_dir = sharedDataDir;