Preflight checks: Airspeed checks update

-check for valid airspeed_validated (declared valid plus updated less than 1s ago)
-added param (COM_ARM_ARSP_EN) to enable/disable check for max airspeed for arming set max
airspeed limit to half of stall airspeed

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>

src/modules/commander/commander_params.c

@@ -956,3 +956,15 @@ PARAM_DEFINE_INT32(COM_POWER_COUNT, 1);
  * @decimal 3
  */
 PARAM_DEFINE_FLOAT(COM_LKDOWN_TKO, 3.0f);
+
+/**
+* Enable preflight check for maximal allowed airspeed when arming.
+*
+* Deny arming if the current airspeed measurement is greater than half the stall speed (ASPD_STALL).
+* Excessive airspeed measurements on ground are either caused by wind or bad airspeed calibration.
+*
+* @group Commander
+* @value 0 Disabled
+* @value 1 Enabled
+*/
+PARAM_DEFINE_INT32(COM_ARM_ARSP_EN, 1);