Only start the IZAT services when the Sys prop is true

OEMs enabled the IZAT premium features by turning on
the system property, which is defined in the gps
makefile (proprietary repo)

Change-Id: Iad4e124cfa3f3fbb512ae27d7c5b34e0a6d4de3c

rootdir/etc/init.qcom.sh

@@ -60,6 +60,7 @@ start_battery_monitor()
 }
 
 baseband=`getprop ro.baseband`
+izat_premium_enablement=`getprop ro.qc.sdk.izat.premium_enabled`
 
 #
 # Suppress default route installation during RA for IPV6; user space will take
@@ -92,10 +93,12 @@ case "$target" in
 esac
 
 case "$target" in
-        "msm8960")
+        "msm8960" | "msm8974")
+        if [ "$izat_premium_enablement" -eq 1 ]; then
             start location_mq
             start xtwifi_inet
             start xtwifi_client
+        fi
 esac
 
 case "$target" in