[vtx] Add VTX driver with Tramp and SmartAudio support

ROMFS/px4fmu_common/init.d/CMakeLists.txt

@@ -123,3 +123,9 @@ if(CONFIG_MODULES_TEMPERATURE_COMPENSATION)
 		rc.thermal_cal
 	)
 endif()
+
+if(CONFIG_DRIVERS_VTXTABLE)
+	px4_add_romfs_files(
+		rc.vtxtable
+	)
+endif()

ROMFS/px4fmu_common/init.d/rc.vtxtable

@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# VTX table loading script.
+#
+# NOTE: Script variables are declared/initialized/unset in the rcS script.
+#
+
+vtxtable load

ROMFS/px4fmu_common/init.d/rcS

@@ -612,6 +612,16 @@ else
 	fi
 	unset RC_LOGGING
 
+	#
+	# Start the VTX services.
+	#
+	set RC_VTXTABLE ${R}etc/init.d/rc.vtxtable
+	if [ -f ${RC_VTXTABLE} ]
+	then
+		. ${RC_VTXTABLE}
+	fi
+	unset RC_VTXTABLE
+
 	#
 	# Set additional parameters and env variables for selected AUTOSTART.
 	#