added option hard dpms = false to xorg

roles/deploy-xorg/files/xorg.conf.j2

@@ -58,6 +58,9 @@ Section "Device"
     VendorName     "NVIDIA Corporation"
     boardname      "{{boardname}}"
     BusID          "{{device}}"
+{% if boardname != 'GRID K1' %}
+    Option "HardDPMS" "false"
+{% endif %}
 EndSection
 {% endfor %}
 {% for screen in screens %}