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/development/tools/rust/rust-analyzer/ignore-git-and-rustfmt-tests.patch

@@ -0,0 +1,18 @@
+--- a/crates/rust-analyzer/tests/slow-tests/tidy.rs
++++ b/crates/rust-analyzer/tests/slow-tests/tidy.rs
+@@ -6,6 +6,7 @@ use std::{
+ use xshell::{cmd, pushd, pushenv, read_file};
+ 
+ #[test]
++#[ignore]
+ fn check_code_formatting() {
+     let _dir = pushd(sourcegen::project_root()).unwrap();
+     let _e = pushenv("RUSTUP_TOOLCHAIN", "stable");
+@@ -138,6 +139,7 @@ fn check_cargo_toml(path: &Path, text: String) -> () {
+ }
+ 
+ #[test]
++#[ignore]
+ fn check_merge_commits() {
+     let stdout = cmd!("git rev-list --merges --invert-grep --author 'bors\\[bot\\]' HEAD~19..")
+         .read()