refine sample ini file

refine sample ini file

Tracked-On: OAM-100928
Signed-off-by: Yadong Qi <yadong.qi@intel.com>

sample/guest01.ini

@@ -15,6 +15,15 @@ size=4G
 num=1
 
 [firmware]
+#type must be "unified" or "splited"
+
+#if [type == unified], specify [path] field
+#path=[path of virtual firmware binary]
+
+#if [type == splited], specify [code] and [vars] field
+#code=[path of virtual firmware code binary]
+#vars=[path of virtual firmware vars binary]
+
 type=unified
 path=/home/gvt/caas/OVMF.fd
 
@@ -23,7 +32,11 @@ size=30G
 path=/home/gvt/caas/android.qcow2
 
 [graphics]
+#type must be one of these options:
+#    "GVT-g", "GVT-d", "virtio", "ramfb"
 type=GVT-g
+
+#when GVT-g is selected, below field must be specified
 gvtg_version=i915-GVTg_V5_4
 vgpu_uuid=1fc89c23-e8a6-47a9-83be-ec23d6f4bb17
 
@@ -40,6 +53,7 @@ path=/home/gvt/caas/scripts/aaf
 support_suspend=enable
 
 [passthrough]
+#specified the PCI id here if you want to passthrough it to guest, seperate them with comma
 passthrough_pci=0000:00:14.0,
 
 [mediation]