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/misc/indent/darwin.patch

@@ -0,0 +1,15 @@
+diff --git a/config.h.in b/config.h.in
+index 07e6fce..0c57e2a 100644
+--- a/config.h.in
++++ b/config.h.in
+@@ -432,8 +432,8 @@
+ # endif
+ # define _GL_EXTERN_INLINE extern
+ #else
+-# define _GL_INLINE static _GL_UNUSED
+-# define _GL_EXTERN_INLINE static _GL_UNUSED
++# define _GL_INLINE static
++# define _GL_EXTERN_INLINE static
+ #endif
+ 
+ #if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)

pkgs/development/tools/misc/indent/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchurl, texinfo, buildPackages, pkgsStatic }:
+
+stdenv.mkDerivation rec {
+  pname = "indent";
+  version = "2.2.12";
+
+  src = fetchurl {
+    url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "12xvcd16cwilzglv9h7sgh4h1qqjd1h8s48ji2dla58m4706hzg7";
+  };
+
+  patches = [ ./darwin.patch ];
+  makeFlags = [ "AR=${stdenv.cc.targetPrefix}ar" ];
+
+  strictDeps = true;
+  nativeBuildInputs = [ texinfo ];
+  pkgsBuildBuild = [ buildPackages.stdenv.cc ]; # needed when cross-compiling
+
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isClang
+    "-Wno-implicit-function-declaration";
+
+  hardeningDisable = [ "format" ];
+
+  passthru.tests.static = pkgsStatic.indent;
+  meta = {
+    homepage = "https://www.gnu.org/software/indent/";
+    description = "A source code reformatter";
+    license = lib.licenses.gpl3Plus;
+    maintainers = [ lib.maintainers.mmahut ];
+    platforms = lib.platforms.unix;
+  };
+}