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/dotnet/build-dotnet-module/hooks/dotnet-install-hook.sh

@@ -0,0 +1,43 @@
+# inherit arguments from derivation
+dotnetInstallFlags=( ${dotnetInstallFlags[@]-} )
+
+dotnetInstallHook() {
+    echo "Executing dotnetInstallHook"
+
+    runHook preInstall
+
+    for project in ${projectFile[@]}; do
+        env \
+            dotnet publish "$project" \
+                -p:ContinuousIntegrationBuild=true \
+                -p:Deterministic=true \
+                --output "$out/lib/${pname}" \
+                --configuration "@buildType@" \
+                --no-build \
+                --no-self-contained \
+                ${dotnetInstallFlags[@]}  \
+                ${dotnetFlags[@]}
+    done
+
+    if [[ "${packNupkg-}" ]]; then
+        for project in ${projectFile[@]}; do
+            env \
+                dotnet pack "$project" \
+                    -p:ContinuousIntegrationBuild=true \
+                    -p:Deterministic=true \
+                    --output "$out/share" \
+                    --configuration "@buildType@" \
+                    --no-build \
+                    ${dotnetPackFlags[@]}  \
+                    ${dotnetFlags[@]}
+        done
+    fi
+
+    runHook postInstall
+
+    echo "Finished dotnetInstallHook"
+}
+
+if [[ -z "${dontDotnetInstall-}" && -z "${installPhase-}" ]]; then
+    installPhase=dotnetInstallHook
+fi