Add "After" mapper to BMC updater

The BMC updater needs to start after the mapper since it
uses the mapper to get the BMC inventory path.

Change-Id: I5c79c8162a948a8ddcafc2816fcd65c5d6f2407d
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/common/recipes-phosphor/flash/phosphor-software-manager/xyz.openbmc_project.Software.BMC.Updater.service b/common/recipes-phosphor/flash/phosphor-software-manager/xyz.openbmc_project.Software.BMC.Updater.service
index ff96e8c..ef1a1c4 100644
--- a/common/recipes-phosphor/flash/phosphor-software-manager/xyz.openbmc_project.Software.BMC.Updater.service
+++ b/common/recipes-phosphor/flash/phosphor-software-manager/xyz.openbmc_project.Software.BMC.Updater.service
@@ -2,6 +2,8 @@
 Description=OpenBMC Software Update Manager
 Wants=xyz.openbmc_project.Software.Version.service
 Before=xyz.openbmc_project.Software.Version.service
+Wants=obmc-mapper.target
+After=obmc-mapper.target
 
 [Service]
 ExecStart=/usr/bin/env phosphor-image-updater