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/games/fishfight/use-system-sdl2.patch

@@ -0,0 +1,39 @@
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -96,15 +96,6 @@ version = "1.0.0"
+ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+ 
+-[[package]]
+-name = "cmake"
+-version = "0.1.46"
+-source = "registry+https://github.com/rust-lang/crates.io-index"
+-checksum = "b7b858541263efe664aead4a5209a4ae5c5d2811167d4ed4ee0944503f8d2089"
+-dependencies = [
+- "cc",
+-]
+-
+ [[package]]
+ name = "color_quant"
+ version = "1.1.0"
+@@ -605,7 +596,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
+ checksum = "94cb479353c0603785c834e2307440d83d196bf255f204f7f6741358de8d6a2f"
+ dependencies = [
+  "cfg-if",
+- "cmake",
+  "libc",
+  "version-compare",
+ ]
+diff --git a/Cargo.toml b/Cargo.toml
+index d2af29e..a813f30 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -14,7 +14,7 @@ macroquad-profiler = "0.1"
+ 
+ ff-particles = { version = "0.1", features = ["serde"] }
+ 
+-fishsticks = { version = "0.2.0", features = ["bundled-sdl2"] }
++fishsticks = "0.2.0"
+ 
+ stunclient = { git = "https://github.com/not-fl3/rust-stunclient", default-features = false }
+