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/editors/vim/ft-nix-support.patch

@@ -0,0 +1,20 @@
+diff --git a/runtime/filetype.vim b/runtime/filetype.vim
+index a8e6261..2b008fc 100644
+--- a/runtime/filetype.vim
++++ b/runtime/filetype.vim
+@@ -2258,6 +2258,9 @@ au BufNewFile,BufRead *.zsql			call s:SQL()
+ " Z80 assembler asz80
+ au BufNewFile,BufRead *.z8a			setf z8a
+ 
++" Nix
++au BufNewFile,BufRead *.nix		setf nix
++
+ augroup END
+ 
+ 
+@@ -2440,3 +2443,5 @@ endfunc
+ " Restore 'cpoptions'
+ let &cpo = s:cpo_save
+ unlet s:cpo_save
++
++