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/backup/pika-backup/borg-path.patch

@@ -0,0 +1,22 @@
+diff --git a/src/borg/process.rs b/src/borg/process.rs
+index 63ea0ee..e3535e0 100644
+--- a/src/borg/process.rs
++++ b/src/borg/process.rs
+@@ -203,7 +203,7 @@ impl BorgCall {
+     }
+ 
+     pub fn cmd(&self) -> Result<process::Command> {
+-        let mut cmd = process::Command::new("borg");
++        let mut cmd = process::Command::new("@borg@");
+ 
+         cmd.envs([self.set_password()?]);
+ 
+@@ -221,7 +221,7 @@ impl BorgCall {
+     }
+ 
+     pub fn cmd_async(&self) -> Result<async_process::Command> {
+-        let mut cmd = async_process::Command::new("borg");
++        let mut cmd = async_process::Command::new("@borg@");
+ 
+         cmd.envs([self.set_password()?]);
+