suricata: populate SYSTEMD_SERVICE for service autostart

[Clayton Casciato <majortomtosourcecontrol@gmail.com>]

https://docs.yoctoproject.org/dev/ref-manual/variables.html#term-SYSTEMD_SERVICE

Before:
root@beaglebone-yocto:~# systemctl status suricata
* suricata.service - Suricata IDS/IDP daemon
     Loaded: loaded (/usr/lib/systemd/system/suricata.service; disabled; preset: disabled)
     Active: inactive (dead)
       Docs: man:suricata(8)
             man:suricatasc(8)
             https://redmine.openinfosecfoundation.org/projects/suricata/wiki

After:
root@beaglebone-yocto:~# systemctl status suricata
* suricata.service - Suricata IDS/IDP daemon
     Loaded: loaded (/usr/lib/systemd/system/suricata.service; enabled; preset: enabled)
     Active: active (running) since Mon 2025-09-22 04:05:08 UTC; 20s ago
 Invocation: 8cfeb29631f443f0830bffeb00975931
       Docs: man:suricata(8)
             man:suricatasc(8)
             https://redmine.openinfosecfoundation.org/projects/suricata/wiki
   Main PID: 268 (Suricata-Main)
      Tasks: 7 (limit: 4915)
     Memory: 36.8M (peak: 37M)
        CPU: 2.222s
     CGroup: /system.slice/suricata.service
             `-268 /usr/bin/suricata -c /etc/suricata/suricata.yaml -i eth0

Sep 22 04:05:08 beaglebone-yocto systemd[1]: Started Suricata IDS/IDP daemon.
Sep 22 04:05:09 beaglebone-yocto suricata[268]: i: suricata: This is Suricata version 7.0.0 RELEASE running in SYSTEM mode
Sep 22 04:05:10 beaglebone-yocto suricata[268]: W: detect: No rule files match the pattern /var/lib/suricata/rules/suricata.rules
Sep 22 04:05:10 beaglebone-yocto suricata[268]: W: detect: 1 rule files specified, but no rules were loaded!
Sep 22 04:05:10 beaglebone-yocto suricata[268]: i: threads: Threads created -> W: 1 FM: 1 FR: 1   Engine started.

Signed-off-by: Clayton Casciato <majortomtosourcecontrol@gmail.com>
---
 recipes-ids/suricata/suricata_7.0.0.bb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/recipes-ids/suricata/suricata_7.0.0.bb b/recipes-ids/suricata/suricata_7.0.0.bb
index f02d343..c36fbf1 100644
--- a/recipes-ids/suricata/suricata_7.0.0.bb
+++ b/recipes-ids/suricata/suricata_7.0.0.bb
@@ -139,6 +139,7 @@ fi
 }
 
 SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE:${PN} = "${BPN}.service"
 
 PACKAGES =+ "${PN}-python"
 FILES:${PN} += "${systemd_unitdir} ${sysconfdir}/tmpfiles.d"