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/libraries/ada/gnatcoll/omp-setup-text-mode.patch

@@ -0,0 +1,23 @@
+commit 37c815ee660d1bf37256638d23b0346ad7cc19e7
+Author: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
+Date:   Wed Jul 21 00:18:30 2021 +0200
+
+    omp/setup.py: open version_information in text mode
+    
+    Otherwise saving the config in setup_support.py will fail as a bytes
+    object is not encodeable as JSON. Luckily, version_information is text
+    anyways.
+
+diff --git a/omp/setup.py b/omp/setup.py
+index 942ab1f5..5281398e 100755
+--- a/omp/setup.py
++++ b/omp/setup.py
+@@ -25,7 +25,7 @@ class GNATCollOMP(SetupApp):
+ 
+         # Set library version
+         with open(os.path.join(config.source_dir, '..',
+-                               'version_information'), 'rb') as fd:
++                               'version_information'), 'r') as fd:
+             version = fd.read().strip()
+         config.set_data('GNATCOLL_VERSION', version, sub='gprbuild')
+