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/tools/analysis/cov-build/default.nix

@@ -0,0 +1,48 @@
+{ lib, stdenv, requireFile }:
+
+let
+  message = ''
+    Register an account at https://scan.coverity.com, download the
+    build tools, and add it to the nix store with nix-prefetch-url
+  '';
+in
+stdenv.mkDerivation rec {
+  pname = "cov-build";
+  version = "7.0.2";
+
+  src =
+    if stdenv.hostPlatform.system == "i686-linux"
+    then requireFile {
+      name = "cov-analysis-linux32-${version}.tar.gz";
+      sha256 = "0i06wbd7blgx9adh9w09by4i18vwmldfp9ix97a5dph2cjymsviy";
+      inherit message;
+    }
+    else requireFile {
+      name = "cov-analysis-linux64-${version}.tar.gz";
+      sha256 = "0iby75p0g8gv7b501xav47milr8m9781h0hcgm1ch6x3qj6irqd8";
+      inherit message;
+    };
+
+  dontStrip = true;
+  buildPhase = false;
+  installPhase = ''
+    mkdir -p $out/bin $out/libexec
+    mv * $out/libexec
+    for x in cov-build cov-capture cov-configure cov-emit cov-emit-java \
+      cov-export-cva cov-extract-scm cov-help cov-import-scm cov-link \
+      cov-internal-clang cov-internal-emit-clang cov-internal-nm \
+      cov-internal-emit-java-bytecode cov-internal-reduce cov-translate \
+      cov-preprocess cov-internal-pid-to-db cov-manage-emit \
+      cov-manage-history; do
+        ln -s $out/libexec/bin/$x $out/bin/$x;
+    done
+  '';
+
+  meta = {
+    description = "Coverity Scan build tools";
+    homepage    = "https://scan.coverity.com";
+    license     = lib.licenses.unfreeRedistributable;
+    platforms   = lib.platforms.linux;
+    maintainers = [ lib.maintainers.thoughtpolice ];
+  };
+}