smbios option description (#7205)

* smbios option description

More detailed description smbios option

* Update plugins/modules/proxmox_kvm.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Change map to string

* Update proxmox_kvm.py

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/proxmox_kvm.py

@@ -415,6 +415,14 @@ options:
   smbios:
     description:
       - Specifies SMBIOS type 1 fields.
+      - "Comma separated, Base64 encoded (optional) SMBIOS properties:"
+      - V([base64=<1|0>] [,family=<Base64 encoded string>])
+      - V([,manufacturer=<Base64 encoded string>])
+      - V([,product=<Base64 encoded string>])
+      - V([,serial=<Base64 encoded string>])
+      - V([,sku=<Base64 encoded string>])
+      - V([,uuid=<UUID>])
+      - V([,version=<Base64 encoded string>])
     type: str
   snapname:
     description: