Prevent hostapd units from being started if there’s no config provided
infrastructure/apertis-issues#388 (closed)
This fix is backported from https://salsa.debian.org/debian/wpa/-/commit/d204ceb5a2dc33db888eb55b5fee542a1005e69c
Signed-off-by: Dylan Aïssi dylan.aissi@collabora.com