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/misc/premake/setup-hook.sh

@@ -0,0 +1,19 @@
+premakeConfigurePhase() {
+    runHook preConfigure
+
+    local flagsArray=(
+        ${premakefile:+--file=$premakefile}
+        $premakeFlags ${premakeFlagsArray[@]}
+        ${premakeBackend:-gmake}
+    )
+
+    echoCmd 'configure flags' "${flagsArray[@]}"
+
+    @premake_cmd@ "${flagsArray[@]}"
+
+    runHook postConfigure
+}
+
+if [ -z "${configurePhase-}" ]; then
+    configurePhase=premakeConfigurePhase
+fi