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/continuous-integration/gitlab-runner/fix-shell-path.patch

@@ -0,0 +1,25 @@
+diff --git a/shells/bash.go b/shells/bash.go
+index 18d608445..f158ffc0b 100644
+--- a/shells/bash.go
++++ b/shells/bash.go
+@@ -3,6 +3,7 @@ package shells
+ import (
+ 	"bytes"
+ 	"fmt"
++	"os/exec"
+ 	"path"
+ 	"runtime"
+ 	"strconv"
+@@ -307,7 +308,11 @@ func (b *BashShell) GetConfiguration(info common.ShellScriptInfo) (*common.Shell
+
+ 	script.Command = "su"
+ 	if runtime.GOOS == OSLinux {
+-		script.Arguments = []string{"-s", "/bin/" + b.Shell, info.User, "-c", script.CmdLine}
++		shellPath, err := exec.LookPath(b.Shell)
++		if err != nil {
++			shellPath = "/bin/" + b.Shell
++		}
++		script.Arguments = []string{"-s", shellPath, info.User, "-c", script.CmdLine}
+ 	} else {
+ 		script.Arguments = []string{info.User, "-c", script.CmdLine}
+ 	}