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/njam/logfile.patch

@@ -0,0 +1,22 @@
+diff --git a/src/njamedit.cpp b/src/njamedit.cpp
+index a895ca9..38477db 100644
+--- a/src/njamedit.cpp
++++ b/src/njamedit.cpp
+@@ -114,7 +114,7 @@ void NjamEngine::LevelEditor()
+ 				key = SDLK_a;
+ 			else if (CheckForSave())
+ 			{
+-				LogFile::LogFile("Saving maps");
++				LogFile("Saving maps");
+ 				m_Maps.Save(filename);
+ 				level_type_was = level_type;
+ 				changed = false;
+@@ -139,7 +139,7 @@ void NjamEngine::LevelEditor()
+ 						"levels/%s.%s",
+ #endif					
+ 						filename, types[level_type]);
+-					LogFile::LogFile("Saving maps");
++					LogFile("Saving maps");
+ 					m_Maps.Save(buf);
+ 					level_type_was = level_type;
+ 					changed = false;