Fix host-error-monitor recipe to build in Yocto

A recent update to build outside of Yocto required the flag to
build in Yocto, so set the flag.  Also remove a CFLAG that is
not needed.

Tested:
Built in Yocto.

(From meta-intel rev: 51e78839d81351a46203d8eb404417800ed7be62)

Change-Id: I2ff4acc342debcfa82fe9073c600b25d014e19fb
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-intel/meta-common/recipes-core/host-error-monitor/host-error-monitor_git.bb b/meta-intel/meta-common/recipes-core/host-error-monitor/host-error-monitor_git.bb
index fb0f412..d03fa0a 100644
--- a/meta-intel/meta-common/recipes-core/host-error-monitor/host-error-monitor_git.bb
+++ b/meta-intel/meta-common/recipes-core/host-error-monitor/host-error-monitor_git.bb
@@ -12,4 +12,5 @@
 S = "${WORKDIR}/git"
 
 SYSTEMD_SERVICE_${PN} += "xyz.openbmc_project.HostErrorMonitor.service"
-SECURITY_CFLAGS_pn-host-error-monitor  = "${SECURITY_NOPIE_CFLAGS}"
+
+EXTRA_OECMAKE = "-DYOCTO=1"