usb drive option to keydrive can include path

src/freedombone-controlpanel

            --msgbox $"Plug in a LUKS encrypted USB drive" 6 40
     clear
     detect_usb_drive
-    ${PROJECT_NAME}-keydrive -u $SELECTED_USERNAME --master 'yes'
+    ${PROJECT_NAME}-keydrive -u $SELECTED_USERNAME --master 'yes' -d $USB_DRIVE
     any_key
 }
 
            --msgbox $"Plug in a LUKS encrypted USB drive" 6 40
     clear
     detect_usb_drive
-    ${PROJECT_NAME}-keydrive -u $SELECTED_USERNAME
+    ${PROJECT_NAME}-keydrive -u $SELECTED_USERNAME -d $USB_DRIVE
     any_key
 }
 

src/freedombone-keydrive

     ;;
     -d|--dev)
     shift
-    USB_DRIVE=/dev/${1}1
+    if [[ "${1}" != '/dev/'* ]]; then
+        USB_DRIVE=/dev/${1}1
+    else
+        USB_DRIVE=${1}
+    fi
     ;;
     -m|--master)
     shift