[LTP] [PATCH] doc: add `--recurse-submodules` when cloning the repo

[Jingyi Song]

User could run syscalls testing suite with
`./kirk -f ltp -r syscalls`,
but they may not be aware of the submodule `kirk`.
So I add the `--recurse-submodules` option.

Signed-off-by: Jingyi Song <jingyisong@hust.edu.cn>
---
 doc/users/quick_start.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/users/quick_start.rst b/doc/users/quick_start.rst
index 4a48745be..1581b1f0c 100644
--- a/doc/users/quick_start.rst
+++ b/doc/users/quick_start.rst
@@ -17,7 +17,7 @@ Basics requirements to build LTP are the following:
 
 .. code-block:: console
 
-   $ git clone https://github.com/linux-test-project/ltp.git
+   $ git clone --recurse-submodules https://github.com/linux-test-project/ltp.git
    $ cd ltp
    $ make autotools
    $ ./configure
-- 
2.43.0