service: Fix binary name

The meson build uses phosphor-time-manager instead of
phosphor-timemanager now.

Change-Id: I29a26ecc0cba8d9756e2c652bfbd2301627e6ae3
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/xyz.openbmc_project.Time.Manager.service b/xyz.openbmc_project.Time.Manager.service
index fd12198..76df596 100644
--- a/xyz.openbmc_project.Time.Manager.service
+++ b/xyz.openbmc_project.Time.Manager.service
@@ -5,8 +5,8 @@
 
 [Service]
 Restart=always
-ExecStart=/usr/bin/env phosphor-timemanager
-SyslogIdentifier=phosphor-timemanager
+ExecStart=/usr/bin/env phosphor-time-manager
+SyslogIdentifier=phosphor-time-manager
 Type=dbus
 BusName=xyz.openbmc_project.Time.Manager