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/applications/editors/qxmledit/qxmledit.json

@@ -0,0 +1,6 @@
+{
+    "owner": "lbellonda",
+    "repo": "qxmledit",
+    "rev": "6136dca50ceb3b4447c91a7a18dcf84785ea11d1",
+    "sha256": "1wcnphalwf0a5gz9r44jgk8wcv1w2qipbwjkbzkra2kxanxns834"
+}