Fix SMP debugging issue on rp2040 (#1174)

Fix SMP debugging issue on rp2040 (#1174)

* Fix SMP debugging issue on rp2040

Related to #1172

Add `multicore_reset_core1` before `multicore_launch_core1` in `xPortStartScheduler` function to fix debugging issue on rp2040 with SMP enabled.

* Modify `portable/ThirdParty/GCC/RP2040/port.c` to include a call to `multicore_reset_core1` before `multicore_launch_core1` within the `#if portRUNNING_ON_BOTH_CORES` block.

* Recover comments back

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Co-authored-by: ActoryOu <jay2002824@gmail.com>
Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
Co-authored-by: Rahul Kar <118818625+kar-rahul-aws@users.noreply.github.com>