Remove tickless idle mode dependency with include v task suspend

[pramithkv]

Remove tickless idle feature dependency with INCLUDE_vTaskSuspend

Description

There was a build error in eTaskConfirmSleepModeStatus() when configUSE_TICKLESS_IDLE is enabled.
This was forcing user to enable INCLUDE_vTaskSuspend (set as 1).

This Pull request removes the need for INCLUDE_vTaskSuspend to be set 1 when configUSE_TICKLESS_IDLE is enabled.

All codes accessing xSuspendedTaskList is now moved under#if ( INCLUDE_vTaskSuspend == 1 )checks.

Test Steps

Use any of the FreeRTOS demo project.
Make these changes in FreeRTOSConfig.h file -

#define configUSE_TICKLESS_IDLE 	1
#define INCLUDE_vTaskSuspend		0

Build fails without changes in this PR

Related Issue

https://forums.freertos.org/t/tickless-idle-mode-and-vtasksuspend-dependency/13977

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

Merging #422 (d0c1b5b) into main (052e364) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #422   +/-   ##
=======================================
  Coverage   92.15%   92.15%           
=======================================
  Files           4        4           
  Lines        1274     1274           
  Branches      343      343           
=======================================
  Hits         1174     1174           
  Misses         53       53           
  Partials       47       47           

Flag	Coverage Δ
unittests	92.15% <ø> (ø)

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