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/soldat-unstable/gamenetworkingsockets-no-external.patch

@@ -0,0 +1,14 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1084048..1ea4c84 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -143,7 +143,8 @@ if(BUILD_CLIENT OR BUILD_SERVER)
+     file(WRITE ${PROJECT_BINARY_DIR}/bin/steam_appid.txt "638490")
+   else()
+     # GameNetworkingSockets
+-    add_subdirectory(shared/libs/GameNetworkingSockets)
++    # add_subdirectory(shared/libs/GameNetworkingSockets)
++    find_package(GameNetworkingSockets REQUIRED)
+   endif()
+ endif()
+