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/games/steam/build-wrapped.sh

@@ -0,0 +1,47 @@
+source $stdenv/setup
+
+outp=$out/lib/steam-runtime
+
+buildDir() {
+  paths="$1"
+  pkgs="$2"
+
+  for pkg in $pkgs; do
+    echo "adding package $pkg"
+    for path in $paths; do
+      if [ -d $pkg/$path ]; then
+        cd $pkg/$path
+        for file in *; do
+          found=""
+          for i in $paths; do
+            if [ -e "$outp/$i/$file" ]; then
+              found=1
+              break
+            fi
+          done
+          if [ -z "$found" ]; then
+            mkdir -p $outp/$path
+            ln -s "$pkg/$path/$file" $outp/$path
+            sovers=$(echo $file | perl -ne 'print if s/.*?\.so\.(.*)/\1/')
+            if [ ! -z "$sovers" ]; then
+              fname=''${file%.''${sovers}}
+              for ver in ''${sovers//./ }; do
+                found=""
+                for i in $paths; do
+                  if [ -e "$outp/$i/$fname" ]; then
+                    found=1
+                    break
+                  fi
+                done
+                [ -n "$found" ] || ln -s "$pkg/$path/$file" "$outp/$path/$fname"
+                fname="$fname.$ver"
+              done
+            fi
+          fi
+        done
+      fi
+    done
+  done
+}
+
+eval "$installPhase"