meta-intel-openbmc: prep for new override syntax

Ran `scripts/contrib/convert-overrides.py` from upstream Yocto and
fixed up a few by hand that were missed.

Tested: Built s2600wf.

Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Change-Id: I983385c8cdd4e2727c5c1a3d56952d6ac7fd89cc
diff --git a/meta-intel-openbmc/meta-common/recipes-intel/pfr/pfr-manager_git.bb b/meta-intel-openbmc/meta-common/recipes-intel/pfr/pfr-manager_git.bb
index effd89b..76d125c 100644
--- a/meta-intel-openbmc/meta-common/recipes-intel/pfr/pfr-manager_git.bb
+++ b/meta-intel-openbmc/meta-common/recipes-intel/pfr/pfr-manager_git.bb
@@ -12,7 +12,7 @@
 
 S = "${WORKDIR}/git"
 
-SYSTEMD_SERVICE_${PN} = "xyz.openbmc_project.PFR.Manager.service"
+SYSTEMD_SERVICE:${PN} = "xyz.openbmc_project.PFR.Manager.service"
 
 DEPENDS += " \
     sdbusplus \