clarify power stop and start targets

Currently you see this in the journal:

Jan 26 20:59:28 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 Off (Pre).
Jan 26 20:59:30 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 Off.
Jan 26 20:59:30 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 (Off).

The last two are a bit confusing so enhance the description of the start
and stop synchronization targets to clearly show they are coordinating
the activity, not at the final destination. Now we'll get this:

Jan 26 20:59:28 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 Off (Pre).
Jan 26 20:59:30 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 Off (Starting).
Jan 26 20:59:30 witherspoon-Y230UF71K03T systemd[1]: Reached target Power0 (Off).

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Icc7ad86c70d65893f4bae18cf99c4fa6eca2e873
diff --git a/target_files/obmc-power-start@.target b/target_files/obmc-power-start@.target
index 9f28d5b..46fb34a 100644
--- a/target_files/obmc-power-start@.target
+++ b/target_files/obmc-power-start@.target
@@ -1,5 +1,5 @@
 [Unit]
-Description=Power%i On
+Description=Power%i On (Starting)
 Wants=obmc-power-start-pre@%i.target
 After=obmc-power-start-pre@%i.target
 After=multi-user.target
diff --git a/target_files/obmc-power-stop@.target b/target_files/obmc-power-stop@.target
index d19d941..0072b41 100644
--- a/target_files/obmc-power-stop@.target
+++ b/target_files/obmc-power-stop@.target
@@ -1,5 +1,5 @@
 [Unit]
-Description=Power%i Off
+Description=Power%i Off (Starting)
 Wants=obmc-power-stop-pre@%i.target
 After=obmc-power-stop-pre@%i.target
 After=multi-user.target