device: common: add navigation bar for MSM8937

Touch panel does not support virtual keys on MSM 8937. Set
qemu.hw.mainkeys as 0 to enable the Android navigation bar.

Change-Id: Idc40ae63488898d393153a8e4fd49fefdd0b555a

rootdir/etc/init.qcom.sh

@@ -246,6 +246,34 @@ case "$target" in
     "msm8909")
         start_vm_bms
         ;;
+    "msm8937")
+        if [ -f /sys/devices/soc0/soc_id ]; then
+            soc_id=`cat /sys/devices/soc0/soc_id`
+        else
+            soc_id=`cat /sys/devices/system/soc/soc0/id`
+        fi
+
+        if [ -f /sys/devices/soc0/hw_platform ]; then
+             hw_platform=`cat /sys/devices/soc0/hw_platform`
+        else
+             hw_platform=`cat /sys/devices/system/soc/soc0/hw_platform`
+        fi
+        case "$soc_id" in
+             "294" | "295")
+                  case "$hw_platform" in
+                       "Surf")
+                                    setprop qemu.hw.mainkeys 0
+                                    ;;
+                       "MTP")
+                                    setprop qemu.hw.mainkeys 0
+                                    ;;
+                       "RCM")
+                                    setprop qemu.hw.mainkeys 0
+                                    ;;
+                  esac
+                  ;;
+       esac
+        ;;
 esac
 
 bootmode=`getprop ro.bootmode`