meta-facebook: bletchley: reduce mapper-waits

There is not much value in the mapper-wait invocations since the
providing service is well-known.  Wait directly on the service.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I9be5922229778faedf3cd6b85fba928866583672
diff --git a/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/files/bletchley-system-state-init@.service b/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/files/bletchley-system-state-init@.service
index 0c98209..540297e 100644
--- a/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/files/bletchley-system-state-init@.service
+++ b/meta-facebook/meta-bletchley/recipes-bletchley/plat-tools/files/bletchley-system-state-init@.service
@@ -1,9 +1,9 @@
 [Unit]
 Description=Bletchley host state and chassis power state initialize for sled%i
-Wants=mapper-wait@-xyz-openbmc_project-state-chassis%i.service
-After=mapper-wait@-xyz-openbmc_project-state-chassis%i.service
-Wants=mapper-wait@-xyz-openbmc_project-state-host%i.service
-After=mapper-wait@-xyz-openbmc_project-state-host%i.service
+Wants=xyz.openbmc_project.State.Chassis@%i.service
+After=xyz.openbmc_project.State.Chassis@%i.service
+Wants=xyz.openbmc_project.State.Host@%i.service
+After=xyz.openbmc_project.State.Host@%i.service
 
 [Service]
 ExecStart=/usr/libexec/bletchley-system-state-init %i