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/compilers/swift/patches/0001-build-presets-linux-don-t-require-using-Ninja.patch

@@ -0,0 +1,13 @@
+Don't build Ninja, we use our own.
+
+--- a/utils/build-presets.ini
++++ b/utils/build-presets.ini
+@@ -779,7 +779,7 @@ swiftpm
+
+ dash-dash
+
+-build-ninja
++# build-ninja
+ install-llvm
+ install-swift
+ install-lldb