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/misc/drivers/xboxdrv/scons-v4.2.0.patch

@@ -0,0 +1,20 @@
+--- a/SConstruct	2021-10-31 20:42:44.232084185 -0400
++++ b/SConstruct	2021-10-31 20:42:54.063024444 -0400
+@@ -36,7 +36,7 @@
+     with open(target[0].get_path(), "w") as fout:
+         fout.write("// autogenerated by scons Bin2H builder, do not edit by hand!\n\n")
+ 
+-        if env.has_key("BIN2H_NAMESPACE"):
++        if "BIN2H_NAMESPACE" in env:
+             fout.write("namespace %s {\n\n" % env["BIN2H_NAMESPACE"])
+             
+         # write down data
+@@ -62,7 +62,7 @@
+                                     for src in source], ",\n"))
+             fout.write("\n}\n\n")
+ 
+-        if env.has_key("BIN2H_NAMESPACE"):
++        if "BIN2H_NAMESPACE" in env:
+             fout.write("} // namespace %s\n\n" % env["BIN2H_NAMESPACE"])
+                 
+         fout.write("/* EOF */\n")