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/os-specific/linux/hdapsd/postInstall.sh

@@ -0,0 +1,7 @@
+mkdir -p $out/lib/udev/rules.d $out/lib/systemd/system
+cp misc/hdapsd.rules $out/lib/udev/rules.d
+SBIN_REWRITE="s|@sbindir@|$out/bin|g"
+for i in misc/*.service.in
+do sed $SBIN_REWRITE "$i" > "$out/lib/systemd/system/$(basename ${i%.in})"
+done
+