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/development/libraries/mps/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchurl, autoreconfHook, sqlite }:
+
+stdenv.mkDerivation rec {
+  pname = "mps";
+  version = "1.117.0";
+
+  src = fetchurl {
+    url    = "https://www.ravenbrook.com/project/mps/release/${version}/mps-kit-${version}.tar.gz";
+    sha256 = "04ix4l7lk6nxxk9sawpnxbybvqb82lks5606ym10bc1qbc2kqdcz";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+  buildInputs = [ sqlite ];
+
+  # needed for 1.116.0 to build with gcc7
+  NIX_CFLAGS_COMPILE = toString [
+    "-Wno-implicit-fallthrough"
+    "-Wno-error=clobbered"
+    "-Wno-error=cast-function-type"
+  ];
+
+
+  meta = {
+    broken      = true;
+    description = "A flexible memory management and garbage collection library";
+    homepage    = "https://www.ravenbrook.com/project/mps";
+    license     = lib.licenses.sleepycat;
+    platforms   = lib.platforms.linux;
+    maintainers = [ lib.maintainers.thoughtpolice ];
+  };
+}