Add static-passwd and static-group files

In order to pass reproducible tests, recipes that use the
useradd class must have static ids configured.

Signed-off-by: Fabien Thomas <fabien.thomas@smile.fr>
Reviewed-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-networking/files/static-group-meta-networking

@@ -0,0 +1,14 @@
+ftp:x:630:
+dovecot:x:631:
+dovenull:x:632:
+postfix:x:633:
+postdrop:x:634:
+vmail:x:635:
+rasvd:x:636:
+frr:x:637:
+frrvty:x:638:
+nogroup:x:639:
+ftp:x:640:
+rwhod:x:641:
+lldpd:x:642:
+opensaf:x:643: