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/tests/hydra/create-trivial-project.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+#
+# This script creates a project, a jobset with an input of type local
+# path. This local path is a directory that contains a Nix expression
+# to define a job.
+# The EXPR-PATH environment variable must be set with the local path.
+
+set -e
+
+URL=http://localhost:3000
+USERNAME="admin"
+PASSWORD="admin"
+PROJECT_NAME="trivial"
+JOBSET_NAME="trivial"
+EXPR_PATH=${EXPR_PATH:-}
+
+if [ -z $EXPR_PATH ]; then
+   echo "Environment variable EXPR_PATH must be set"
+   exit 1
+fi
+
+mycurl() {
+  curl --referer $URL -H "Accept: application/json" -H "Content-Type: application/json" $@
+}
+
+cat >data.json <<EOF
+{ "username": "$USERNAME", "password": "$PASSWORD" }
+EOF
+mycurl -X POST -d '@data.json' $URL/login -c hydra-cookie.txt
+
+cat >data.json <<EOF
+{
+  "displayname":"Trivial",
+  "enabled":"1",
+  "visible":"1"
+}
+EOF
+mycurl --silent -X PUT $URL/project/$PROJECT_NAME -d @data.json -b hydra-cookie.txt
+
+cat >data.json <<EOF
+{
+  "description": "Trivial",
+  "checkinterval": "60",
+  "enabled": "1",
+  "visible": "1",
+  "keepnr": "1",
+  "enableemail": true,
+  "emailoverride": "hydra@localhost",
+  "nixexprinput": "trivial",
+  "nixexprpath": "trivial.nix",
+  "inputs": {
+    "trivial": {
+      "value": "$EXPR_PATH",
+      "type": "path"
+    }
+  }
+}
+EOF
+mycurl --silent -X PUT $URL/jobset/$PROJECT_NAME/$JOBSET_NAME -d @data.json -b hydra-cookie.txt