AP_Scripting: Lua bindings for safety checks ESC, MotorsMatrix, EFI

This commit introduces Lua bindings for the following methods:

- ESC- `get_last_telem_data_ms`
- MotorMatrix `get_lost_motor`
- MotorMatrix `get_thrust_boost`
- EFI `get_last_update_ms`

Note:
- For get_last_telem_data_ms - CPN reset is reported. But ESC disconnected with CPN is not reported. This needs to be looked into

SW-131

libraries/AP_Scripting/generator/description/bindings.desc

@@ -364,6 +364,7 @@ singleton AP_ESC_Telem method get_usage_seconds boolean uint8_t 0 NUM_SERVO_CHAN
 singleton AP_ESC_Telem method update_rpm void uint8_t 0 NUM_SERVO_CHANNELS uint16_t'skip_check float'skip_check
 singleton AP_ESC_Telem method update_telem_data void uint8_t 0 NUM_SERVO_CHANNELS AP_ESC_Telem_Backend::TelemetryData uint16_t'skip_check
 singleton AP_ESC_Telem method set_rpm_scale void uint8_t 0 NUM_SERVO_CHANNELS float'skip_check
+singleton AP_ESC_Telem method get_last_telem_data_ms uint32_t uint8_t 0 NUM_SERVO_CHANNELS
 
 include AP_Param/AP_Param.h
 singleton AP_Param rename param
@@ -674,6 +675,7 @@ ap_object AP_EFI_Backend method handle_scripting boolean EFI_State
 singleton AP_EFI depends (AP_EFI_SCRIPTING_ENABLED == 1)
 singleton AP_EFI rename efi
 singleton AP_EFI method get_backend AP_EFI_Backend uint8_t'skip_check
+singleton AP_EFI method get_last_update_ms uint32_t 
 
 -- ----END EFI Library----