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/applications/virtualization/qboot/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, meson, ninja, fetchFromGitHub, nixosTests }:
+
+stdenv.mkDerivation {
+  pname = "qboot";
+  version = "unstable-2020-04-23";
+
+  src = fetchFromGitHub {
+    owner = "bonzini";
+    repo = "qboot";
+    rev = "de50b5931c08f5fba7039ddccfb249a5b3b0b18d";
+    sha256 = "1d0h29zz535m0pq18k3aya93q7lqm2858mlcp8mlfkbq54n8c5d8";
+  };
+
+  nativeBuildInputs = [ meson ninja ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp bios.bin bios.bin.elf $out/.
+  '';
+
+  hardeningDisable = [ "stackprotector" "pic" ];
+
+  passthru.tests = { qboot = nixosTests.qboot; };
+
+  meta = {
+    description = "A simple x86 firmware for booting Linux";
+    homepage = "https://github.com/bonzini/qboot";
+    license = lib.licenses.gpl2;
+    maintainers = with lib.maintainers; [ tstrobel ];
+    platforms = [ "x86_64-linux" "i686-linux" ];
+  };
+}