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/security/efitools/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, gnu-efi, openssl, sbsigntool, perl, perlPackages,
+help2man, fetchgit }:
+stdenv.mkDerivation rec {
+  pname = "efitools";
+  version = "1.9.2";
+
+  buildInputs = [
+    gnu-efi
+    openssl
+    sbsigntool
+  ];
+
+  nativeBuildInputs = [
+    perl
+    perlPackages.FileSlurp
+    help2man
+  ];
+
+  src = fetchgit {
+    url = "git://git.kernel.org/pub/scm/linux/kernel/git/jejb/efitools.git";
+    rev = "v${version}";
+    sha256 = "0jabgl2pxvfl780yvghq131ylpf82k7banjz0ksjhlm66ik8gb1i";
+  };
+
+  postPatch = ''
+    sed -i -e 's#/usr/include/efi#${gnu-efi}/include/efi/#g' Make.rules
+    sed -i -e 's#/usr/lib64/gnuefi#${gnu-efi}/lib/#g' Make.rules
+    sed -i -e 's#$(DESTDIR)/usr#$(out)#g' Make.rules
+    substituteInPlace lib/console.c --replace "EFI_WARN_UNKOWN_GLYPH" "EFI_WARN_UNKNOWN_GLYPH"
+    patchShebangs .
+  '';
+
+  meta = with lib; {
+    description = "Tools for manipulating UEFI secure boot platforms";
+    homepage = "https://git.kernel.org/cgit/linux/kernel/git/jejb/efitools.git";
+    license = licenses.gpl2;
+    maintainers = [ maintainers.grahamc ];
+    platforms = platforms.linux;
+  };
+}