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/tools/misc/otfcc/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, premake5 }:
+
+stdenv.mkDerivation rec {
+  pname = "otfcc";
+  version = "0.10.4";
+
+  src = fetchFromGitHub {
+    owner = "caryll";
+    repo = "otfcc";
+    rev = "v${version}";
+    sha256 = "1nrkzpqklfpqsccji4ans40rj88l80cv7dpxwx4g577xrvk13a0f";
+  };
+
+  nativeBuildInputs = [ premake5 ];
+
+  patches = [
+    ./fix-aarch64.patch
+    ./move-makefiles.patch
+  ];
+
+  buildFlags = lib.optional stdenv.isAarch64 [ "config=release_arm" ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/release-*/otfcc* $out/bin/
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Optimized OpenType builder and inspector";
+    homepage = "https://github.com/caryll/otfcc";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ jfrankenau ttuegel ];
+  };
+
+}

pkgs/tools/misc/otfcc/fix-aarch64.patch

@@ -0,0 +1,22 @@
+diff --git a/premake5.lua b/premake5.lua
+index 997fd79..54a20a0 100644
+--- a/premake5.lua
++++ b/premake5.lua
+@@ -49,7 +49,7 @@ end
+ workspace "otfcc"
+ 	configurations { "release", "debug" }
+ 	
+-	platforms { "x64", "x86" }
++	platforms { "x64", "x86", "arm" }
+ 	filter "action:xcode4"
+ 		platforms { "x64" }
+ 	filter {}
+@@ -67,6 +67,8 @@ workspace "otfcc"
+ 		architecture "x86"
+ 	filter "platforms:x64"
+ 		architecture "x64"
++	filter "platforms:arm"
++		architecture "arm"
+ 	filter {}
+ 	
+ 	filter "action:vs2017"

pkgs/tools/misc/otfcc/move-makefiles.patch

@@ -0,0 +1,13 @@
+diff --git a/premake5.lua b/premake5.lua
+index 997fd79..54a20a0 100644
+--- a/premake5.lua
++++ b/premake5.lua
+@@ -88,7 +90,7 @@ workspace "otfcc"
+ 		flags { "StaticRuntime" }
+ 		includedirs { "dep/polyfill-msvc" }
+ 	filter "action:gmake"
+-		location "build/gmake"
++		location "."
+ 	filter "action:xcode4"
+ 		location "build/xcode"
+ 	filter {}