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/libraries/lesstif/c-missing_xm_h.patch

@@ -0,0 +1,11 @@
+--- lesstif2-0.94.4.orig/include/Motif-2.1/Xm/XmStrDefs.h
++++ lesstif2-0.94.4/include/Motif-2.1/Xm/XmStrDefs.h
+@@ -28,6 +28,8 @@
+ 
+ #include <X11/StringDefs.h>
+ 
++#include <Xm/Xm.h>
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif