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/compilers/colm/cross-compile.patch

@@ -0,0 +1,13 @@
+--- a/configure.ac	2019-07-09 22:41:03.166948024 -0700
++++ b/configure.ac	2019-07-09 22:41:16.699948056 -0700
+@@ -40,9 +40,7 @@
+ 
+ dnl Choose a default for the build_manual var. If the dist file is present in
+ dnl the root then default to no, otherwise go for it.
+-AC_CHECK_FILES( [$srcdir/DIST], 
+-	[. $srcdir/DIST;], 
+-	[build_manual=yes; ] )
++build_manual=yes;
+ 
+ dnl Set to true if the manual should be built.
+ AM_CONDITIONAL(BUILD_MANUAL, [test "x$build_manual" = "xyes"])

pkgs/development/compilers/colm/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchurl, makeWrapper, gcc, asciidoc, autoreconfHook }:
+
+stdenv.mkDerivation rec {
+  pname = "colm";
+  version = "0.13.0.7";
+
+  src = fetchurl {
+    url = "https://www.colm.net/files/colm/${pname}-${version}.tar.gz";
+    sha256 = "0f76iri173l2wja2v7qrwmf958cqwh5g9x4bhj2z8wknmlla6gz4";
+  };
+
+  patches = [ ./cross-compile.patch ];
+
+  nativeBuildInputs = [ makeWrapper asciidoc autoreconfHook ];
+
+  doCheck = true;
+
+  postInstall = ''
+    wrapProgram $out/bin/colm \
+      --prefix PATH ":" ${gcc}/bin
+  '';
+
+  meta = with lib; {
+    description = "A programming language for the analysis and transformation of computer languages";
+    homepage = "http://www.colm.net/open-source/colm";
+    license = licenses.gpl2;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ pSub ];
+  };
+}