[PATCH] tools: .gitignore: add asn1_compiler

[Bin Meng]

On Sun, Dec 29, 2019 at 8:44 PM Dario Binacchi <dariobin at libero.it> wrote:
>
> Add the tool to the ignore list to prevent being marked as unversioned.
>
> Signed-off-by: Dario Binacchi <dariobin at libero.it>
> ---
>
>  tools/.gitignore | 1 +
>  1 file changed, 1 insertion(+)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>