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/tools/misc/thumbs/fix.patch

@@ -0,0 +1,13 @@
+diff --git a/src/swapper.rs b/src/swapper.rs
+index 6cf1e89..bcb0969 100644
+--- a/src/swapper.rs
++++ b/src/swapper.rs
+@@ -215,7 +215,7 @@ impl<'a> Swapper<'a> {
+     };
+
+     let pane_command = format!(
+-        "tmux capture-pane -t {active_pane_id} -p{scroll_params} | tail -n {height} | {dir}/target/release/thumbs -f '%U:%H' -t {tmp} {args}; tmux swap-pane -t {active_pane_id}; {zoom_command} tmux wait-for -S {signal}",
++        "tmux capture-pane -t {active_pane_id} -p{scroll_params} | tail -n {height} | {dir}/thumbs -f '%U:%H' -t {tmp} {args}; tmux swap-pane -t {active_pane_id}; {zoom_command} tmux wait-for -S {signal}",
+         active_pane_id = active_pane_id,
+         scroll_params = scroll_params,
+         height = self.active_pane_height.unwrap_or(i32::MAX),