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/misc/bdfresize/remove-malloc-declaration.patch

@@ -0,0 +1,11 @@
+Remove an unneeded declaration of malloc so gcc doesn't complain.
+--- a/charresize.c
++++ b/charresize.c
+@@ -46,7 +46,6 @@ static int	bit[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
+ void
+ processChar(void)
+ {
+-  char	*malloc();
+   char	*srcimage;
+   int	*dstgray;
+