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>

nixos/modules/services/networking/keepalived/virtual-ip-options.nix

@@ -0,0 +1,50 @@
+{ lib } :
+
+with lib;
+{
+  options = {
+
+    addr = mkOption {
+      type = types.str;
+      description = ''
+        IP address, optionally with a netmask: IPADDR[/MASK]
+      '';
+    };
+
+    brd = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        The broadcast address on the interface.
+      '';
+    };
+
+    dev = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        The name of the device to add the address to.
+      '';
+    };
+
+    scope = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        The scope of the area where this address is valid.
+      '';
+    };
+
+    label = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+      description = ''
+        Each address may be tagged with a label string. In order to preserve
+        compatibility with Linux-2.0 net aliases, this string must coincide with
+        the name of the device or must be prefixed with the device name followed
+        by colon.
+      '';
+    };
+
+  };
+}