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/build-managers/tup/setup-hook.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+tupConfigurePhase() {
+    runHook preConfigure
+
+    echo -n CONFIG_TUP_ARCH= >> tup.config
+    case "$system" in
+    "i686-*")      echo i386 >> tup.config;;
+    "x86_64-*")    echo x86_64 >> tup.config;;
+    "powerpc-*")   echo powerpc >> tup.config;;
+    "powerpc64-*") echo powerpc64 >> tup.config;;
+    "ia64-*")      echo ia64 >> tup.config;;
+    "alpha-*")     echo alpha >> tup.config;;
+    "sparc-*")     echo sparc >> tup.config;;
+    "aarch64-*")   echo arm64 >> tup.config;;
+    "arm*")        echo arm >> tup.config;;
+    esac
+
+    echo "${tupConfig-}" >> tup.config
+
+    tup init
+    tup generate --verbose tupBuild.sh
+
+    runHook postConfigure
+}
+
+if [ -z "${dontUseTupConfigure-}" -a -z "${configurePhase-}" ]; then
+    configurePhase=tupConfigurePhase
+fi
+
+
+tupBuildPhase() {
+    runHook preBuild
+
+    pushd .
+    ./tupBuild.sh
+    popd
+
+    runHook postBuild
+}
+
+if [ -z "${dontUseTupBuild-}" -a -z "${buildPhase-}" ]; then
+    buildPhase=tupBuildPhase
+fi