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/servers/sql/postgresql/ext/smlar.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchgit, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "smlar-unstable";
+  version = "2020-10-07";
+
+  src = fetchgit {
+    url = "git://sigaev.ru/smlar.git";
+    rev = "25a4fef344f5c2b90e6a9d32144ee12b9198487d";
+    sha256 = "14mj63mbkcphrzw6890pb5n8igh27i9g7kh4wjdhgx3g7llbjbdw";
+  };
+
+  buildInputs = [ postgresql ];
+
+  makeFlags = [ "USE_PGXS=1" ];
+
+  installPhase = ''
+    install -D -t $out/lib *.so
+    install -D -t $out/share/postgresql/extension *.sql
+    install -D -t $out/share/postgresql/extension *.control
+  '';
+
+  meta = with lib; {
+    description = "Compute similary of any one-dimensional arrays";
+    homepage = "http://sigaev.ru/git/gitweb.cgi?p=smlar.git";
+    platforms = postgresql.meta.platforms;
+    license = licenses.bsd2;
+    maintainers = [ maintainers.marsam ];
+  };
+}