Include inittab-id/-line in example tty service descriptions.

doc/linux/services/tty1

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 1
+inittab-line = tty1

doc/linux/services/tty2

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 2
+inittab-line = tty2

doc/linux/services/tty3

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 3
+inittab-line = tty3

doc/linux/services/tty4

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 4
+inittab-line = tty4

doc/linux/services/tty5

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 5
+inittab-line = tty5

doc/linux/services/tty6

@@ -4,3 +4,5 @@ restart = true
 depends-on = loginready
 termsignal = HUP
 smooth-recovery = true
+inittab-id = 6
+inittab-line = tty6