meta-openpower: Use proper paths in service files

Using /usr/bin/env is an antipattern.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I6b4f647a10fd8c261e2b42cfdae030749ded7c29
diff --git a/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-enable@.service b/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-enable@.service
index b97253c..5431101 100644
--- a/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-enable@.service
+++ b/meta-openpower/recipes-phosphor/occ/openpower-occ-control/op-occ-enable@.service
@@ -9,8 +9,7 @@
 ConditionPathExists=/run/openbmc/host@%i-on
 
 [Service]
-ExecStart=/usr/bin/env occ-active.sh enable
-SyslogIdentifier=occ-active.sh
+ExecStart=/usr/bin/occ-active.sh enable
 Type=oneshot
 
 [Install]