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/tools/admin/tightvnc/1.3.10-CVE-2019-15680.patch

@@ -0,0 +1,16 @@
+diff --git a/vncviewer/zlib.c b/vncviewer/zlib.c
+index 80c4eee..76998d8 100644
+--- a/vncviewer/zlib.c
++++ b/vncviewer/zlib.c
+@@ -55,6 +55,11 @@ HandleZlibBPP (int rx, int ry, int rw, int rh)
+     raw_buffer_size = (( rw * rh ) * ( BPP / 8 ));
+     raw_buffer = (char*) malloc( raw_buffer_size );
+ 
++    if ( raw_buffer == NULL ) {
++      fprintf(stderr,
++              "couldn't allocate raw_buffer in HandleZlibBPP");
++      return False;
++    }
+   }
+ 
+   if (!ReadFromRFBServer((char *)&hdr, sz_rfbZlibHeader))