fix(fedora.conf.example): rename misspelled variable

There is a typo in the dbussystemconfdir variable.

Author: aafeijoo-suse

dracut.conf.d/fedora.conf.example

@@ -22,7 +22,7 @@ dbusconfdir=/etc/dbus-1
 dbusinterfacesconfdir=/etc/dbus-1/interfaces
 dbusservicesconfdir=/etc/dbus-1/services
 dbussessionconfdir=/etc/dbus-1/session.d
-dbussystem=confdir/etc/dbus-1/system.d
+dbussystemconfdir=/etc/dbus-1/system.d
 dbussystemservicesconfdir=/etc/dbus-1/system-services
 sysctld=/usr/lib/sysctl.d
 sysctlconfdir=/etc/sysctl.d