xe-cli: Allow floppy to be autocompleted (#6623)

Also add it to the documentation of the parameter of vbd-create

Author: last-genius

ocaml/xapi-cli-server/cli_frontend.ml

@@ -2142,7 +2142,7 @@ let rec cmdtable_data : (string * cmd_spec) list =
           "Create a VBD. Appropriate values for the device field are listed in \
            the parameter 'allowed-VBD-devices' on the VM. If no VDI is \
            specified, an empty VBD will be created. The type parameter can be \
-           'Disk' or 'CD', and the mode is 'RO' or 'RW'."
+           'Disk', 'CD' or 'Floppy', and the mode is 'RO' or 'RW'."
       ; implementation= No_fd Cli_operations.vbd_create
       ; flags= []
       }

ocaml/xe-cli/bash-completion

@@ -342,7 +342,7 @@ _xe()
                 __xe_debug "triggering autocompletion for type, class is '$fst'"
 
                 if [[ "$fst" == "vbd" ]]; then
-                    set_completions 'Disk,CD' "$value"
+                    set_completions 'Disk,CD,Floppy' "$value"
                 elif [[ "$fst" == "vdi" ]]; then
                     set_completions 'system,user,suspend,crashdump' "$value"
                 elif [[ "$fst" == "sr" ]]; then