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/supervise_api/supervise-path.patch

@@ -0,0 +1,15 @@
+diff --git a/python/supervise_api/supervise.py b/python/supervise_api/supervise.py
+index 497d3ea..be57e35 100644
+--- a/python/supervise_api/supervise.py
++++ b/python/supervise_api/supervise.py
+@@ -41,9 +41,7 @@ try:
+ except:
+     from whichcraft import which
+ 
+-supervise_utility_location = which("supervise")
+-if not supervise_utility_location:
+-    raise FileNotFoundError(errno.ENOENT, "Executable not found in PATH", "supervise")
++supervise_utility_location = '@supervise@/bin/supervise'
+ 
+ 
+ def ignore_sigchld():