vm/systemd: force exit status 0 in qubes-sysinit
vm/systemd: force exit status 0 in qubes-sysinit

If /rw/config/rc.local-early does not exits, exit status is incorrectly 1.

QubesOS/qubes-core-admin,woju/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin