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/python-modules/GitPython/hardcode-git-path.patch

@@ -0,0 +1,13 @@
+diff --git a/git/cmd.py b/git/cmd.py
+index a4faefe..51ad442 100644
+--- a/git/cmd.py
++++ b/git/cmd.py
+@@ -175,7 +175,7 @@ class Git(LazyMixin):
+ 
+     # CONFIGURATION
+ 
+-    git_exec_name = "git"           # default that should work on linux and windows
++    git_exec_name = "@git@/bin/git"
+ 
+     # Enables debugging of GitPython's git commands
+     GIT_PYTHON_TRACE = os.environ.get("GIT_PYTHON_TRACE", False)