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/applications/office/teapot/001-fix-warning.patch

@@ -0,0 +1,11 @@
+diff -Naur teapot-2.3.0-old/scanner.c teapot-2.3.0-new/scanner.c
+--- teapot-2.3.0-old/scanner.c	1969-12-31 21:00:01.000000000 -0300
++++ teapot-2.3.0-new/scanner.c	2021-11-25 17:46:49.936673391 -0300
+@@ -25,6 +25,7 @@
+ #include "main.h"
+ #include "misc.h"
+ #include "scanner.h"
++#include "utf8.h"
+ /*}}}*/
+ 
+ /* identcode  -- return number of identifier */ /*{{{*/