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/tuxpaint/tuxpaint-completion.diff

@@ -0,0 +1,16 @@
+--- tuxpaint-0.9.22/src/tuxpaint-completion.bash~	1970-01-01 01:00:01.000000000 +0100
++++ tuxpaint-0.9.22/src/tuxpaint-completion.bash	2018-03-06 10:54:03.437560921 +0100
+@@ -8,7 +8,6 @@
+ # FIXME: See http://www.debian-administration.org/articles/316 for an intro
+ # to how we should be doing this... -bjk 2009.09.09
+ 
+-have tuxpaint &&
+ _tuxpaint()
+ {
+         local cur
+@@ -96,4 +95,4 @@
+         fi
+ 
+ }
+-[ "${have:-}" ] && complete -F _tuxpaint $filenames tuxpaint
++complete -F _tuxpaint $filenames tuxpaint