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/wavefile/libsndfile.py.patch

@@ -0,0 +1,18 @@
+diff --git a/wavefile/libsndfile.py b/wavefile/libsndfile.py
+index 67f0a46..ce066ee 100644
+--- a/wavefile/libsndfile.py
++++ b/wavefile/libsndfile.py
+@@ -19,11 +19,11 @@ import numpy as np
+ if sys.platform == "win32":
+     dllName = 'libsndfile-1'
+ elif "linux" in sys.platform:
+-    dllName = 'libsndfile.so.1'
++    dllName = '@libsndfile@'
+ elif "cygwin" in sys.platform:
+     dllName = 'libsndfile-1.dll'
+ elif "darwin" in sys.platform:
+-    dllName = 'libsndfile.dylib'
++    dllName = '@libsndfile@'
+ else:
+     dllName = 'libsndfile'
+