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/build-support/rust/hooks/cargo-check-hook.sh

@@ -0,0 +1,55 @@
+declare -a checkFlags
+declare -a cargoTestFlags
+
+cargoCheckHook() {
+    echo "Executing cargoCheckHook"
+
+    runHook preCheck
+
+    if [[ -n "${buildAndTestSubdir-}" ]]; then
+        pushd "${buildAndTestSubdir}"
+    fi
+
+    if [[ -z ${dontUseCargoParallelTests-} ]]; then
+        threads=$NIX_BUILD_CORES
+    else
+        threads=1
+    fi
+
+    if [ "${cargoCheckType}" != "debug" ]; then
+        cargoCheckProfileFlag="--${cargoCheckType}"
+    fi
+
+    if [ -n "${cargoCheckNoDefaultFeatures-}" ]; then
+        cargoCheckNoDefaultFeaturesFlag=--no-default-features
+    fi
+
+    if [ -n "${cargoCheckFeatures-}" ]; then
+        cargoCheckFeaturesFlag="--features=${cargoCheckFeatures// /,}"
+    fi
+
+    argstr="${cargoCheckProfileFlag} ${cargoCheckNoDefaultFeaturesFlag} ${cargoCheckFeaturesFlag}
+        --target @rustTargetPlatformSpec@ --frozen ${cargoTestFlags}"
+
+    (
+        set -x
+        cargo test \
+              -j $NIX_BUILD_CORES \
+              ${argstr} -- \
+              --test-threads=${threads} \
+              ${checkFlags} \
+              ${checkFlagsArray+"${checkFlagsArray[@]}"}
+    )
+
+    if [[ -n "${buildAndTestSubdir-}" ]]; then
+        popd
+    fi
+
+    echo "Finished cargoCheckHook"
+
+    runHook postCheck
+}
+
+if [ -z "${dontCargoCheck-}" ] && [ -z "${checkPhase-}" ]; then
+  checkPhase=cargoCheckHook
+fi