readline: backport a patch to fix issue that readline can't work with samba

readline: backport a patch to fix issue that readline can't work with samba

smbclient can't accept input after readline upgrade to 8.3
| root # smbclient //192.168.2.16/test -N
|       Try "help" to get a list of possible commands.
|       smb: \>

similar issue has been reported:
https://lists.gnu.org/archive/html/bug-readline/2025-07/msg00011.html

Signed-off-by: Liu Yiding <liuyd.fnst@fujitsu.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>