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/os-specific/darwin/apple-source-releases/hfs/default.nix

@@ -0,0 +1,47 @@
+{ appleDerivation', stdenv, stdenvNoCC, lib, headersOnly ? true }:
+
+appleDerivation' (if headersOnly then stdenvNoCC else stdenv) {
+  installPhase = lib.optionalString headersOnly ''
+    mkdir -p $out/include/hfs
+    cp core/*.h $out/include/hfs
+  '';
+
+  appleHeaders = ''
+    hfs/BTreeScanner.h
+    hfs/BTreesInternal.h
+    hfs/BTreesPrivate.h
+    hfs/CatalogPrivate.h
+    hfs/FileMgrInternal.h
+    hfs/HFSUnicodeWrappers.h
+    hfs/UCStringCompareData.h
+    hfs/hfs.h
+    hfs/hfs_alloc_trace.h
+    hfs/hfs_attrlist.h
+    hfs/hfs_btreeio.h
+    hfs/hfs_catalog.h
+    hfs/hfs_cnode.h
+    hfs/hfs_cprotect.h
+    hfs/hfs_dbg.h
+    hfs/hfs_endian.h
+    hfs/hfs_extents.h
+    hfs/hfs_format.h
+    hfs/hfs_fsctl.h
+    hfs/hfs_hotfiles.h
+    hfs/hfs_iokit.h
+    hfs/hfs_journal.h
+    hfs/hfs_kdebug.h
+    hfs/hfs_key_roll.h
+    hfs/hfs_macos_defs.h
+    hfs/hfs_mount.h
+    hfs/hfs_quota.h
+    hfs/hfs_unistr.h
+    hfs/kext-config.h
+    hfs/rangelist.h
+  '';
+
+  meta = {
+    # Seems nobody wants its binary, so we didn't implement building.
+    broken = !headersOnly;
+    platforms = lib.platforms.darwin;
+  };
+}