init: qcom: start irq balancer for 8937

start irq balancer on 8937 builds and use
msm_irqbalance.conf config file.

Change-Id: Ie067a7f6dfa473909c13a612cb030e1779d9630d

rootdir/etc/init.qcom.sh

@@ -82,7 +82,7 @@ start_msm_irqbalance_8939()
 {
 	if [ -f /system/bin/msm_irqbalance ]; then
 		case "$platformid" in
-		    "239")
+		    "239" | "294" | "295")
 			start msm_irqbalance;;
 		esac
 	fi
@@ -247,6 +247,7 @@ case "$target" in
         start_vm_bms
         ;;
     "msm8937")
+        start_msm_irqbalance_8939
         if [ -f /sys/devices/soc0/soc_id ]; then
             soc_id=`cat /sys/devices/soc0/soc_id`
         else