ROMFS: indicate that the hitl vtol config is for the gazebo standard vtol model

Signed-off-by: Roman <bapstroman@gmail.com>

ROMFS/px4fmu_common/init.d/2200_standard_vtol_hitl

 #!nsh
 #
-# @name Standard vtol HITL
+# @name Standard vtol HITL (gazebo standard_vtol model)
 #
 # @type Standard VTOL
 # @class VTOL