meta-openpower: startup order in first-boot-set-*

Adds missing dependency to unit files for first-boot-set-mac and
first-boot-set-hostname services.

Change-Id: I71d8f636cc73bbb34ca5a7283d00d75bd0fac3d2
Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
diff --git a/recipes-phosphor/network/first-boot-set-mac/first-boot-set-mac@.service b/recipes-phosphor/network/first-boot-set-mac/first-boot-set-mac@.service
index a7c913e..8986efd 100644
--- a/recipes-phosphor/network/first-boot-set-mac/first-boot-set-mac@.service
+++ b/recipes-phosphor/network/first-boot-set-mac/first-boot-set-mac@.service
@@ -4,6 +4,8 @@
 After=mapper-wait@-xyz-openbmc_project-inventory.service
 Wants=mapper-wait@-xyz-openbmc_project-network-%i.service
 After=mapper-wait@-xyz-openbmc_project-network-%i.service
+Wants=op-vpd-parser.service
+After=op-vpd-parser.service
 
 [Service]
 ExecStart=/usr/bin/first-boot-set-mac.sh %i